PHP Decode

<center><h1>Log Hunter</h1></center><br>
		echo "<Center>
"; 
echo "<form action=\"\" method=\"post\">
"; 
?><br>Dir :<input type="text" value="<?=getcwd();?>" name="shc_dir"><?php
echo "<input type=\"submit\" name=\"submit\" value=\"Scan Now!\"/>
"; 
echo "</form>
"; 
echo "<pre style=\"text-align: left;\">
";
error_reporting(0);
/*
Name    : Log Hunter (Grab Email)
Date    : 26/03/2016 05:53 PM
Link    : http://facebook.com/bug7sec
Link    : http://pastebin.com/u/shor7cut
Author  : Shor7cut
*/
 
 
if($_POST['submit']){
function tampilkan($shcdirs){
foreach(scandir($shcdirs) as $shc)
    {
        if($shc!='.' && $shc!='..')
        {
            $shc = $shcdirs.DIRECTORY_SEPARATOR.$shc;
            if( !is_dir($shc) && !eregi("css", $shc) ){
 
                $fgt    = file_get_contents($shc);
                $ifgt   = exif_read_data($shc);
                $jembut = "COMPUTED";
                $taik   = "UserComment";
                $shcm = "/mail['(']/";
                if($ifgt[$jembut][$taik]){
                    echo "[<font color=#00FFD0>Stegano</font>] <font color=#2196F3>".$shc."</font><br>";
                }
                preg_match_all('#[A-Z0-9a-z._%+-]+@[A-Za-z0-9.+-]+#',$fgt,$cocok);
                $hcs  = "/base64_decode/";
                $exif = "/exif_read_data/";
                preg_match($shcm, addslashes($fgt), $mailshc);
                preg_match($hcs,  addslashes($fgt), $shcmar);
                preg_match($exif, addslashes($fgt), $shcxif);
                if(eregi('HTTP Cookie File', $fgt) || eregi('PHP Warning:', $fgt) ){
                }
                if(eregi('tmp_name', $fgt)){
                    echo "[<font color=#FAFF14>Uploader</font>] <font color=#2196F3>".$shc."</font><br>";
                }
                if($shcmar[0]){
                    echo "[<font color=#FF3D00>Base64</font>] <font color=#2196F3>".$shc."</font><br>";
                }
                if($mailshc[0]){
                    echo "[<font color=#E6004E>MailFunc</font>] <font color=#2196F3>".$shc."</font><br>";
                }
                if($shcxif[0]){
                    echo "[<font color=#00FFD0>Stegano</font>] <font color=#2196F3>".$shc."</font> </font><font color=red>{Manual Check}</font><br>";
                }
                if(eregi("js", $shc)){
                            echo "[<font color=red>Javascript</font>] <font color=#2196F3>".$shc."</font> { <a href=http://www.unphp.net target=_blank>CheckJS</a> }<br>";
                }
                if($cocok[0]){
                    foreach ($cocok[0] as $key => $shcmail) {
                        if (filter_var($shcmail, FILTER_VALIDATE_EMAIL)) {
                            echo "[<font color=greenyellow>SendMail</font>] <font color=#2196F3>".$shc."</font> { ".$shcmail." }<br>";
                        }
                    }
                }
           
            }else{
                tampilkan($shc);
            }
        }
    }
}
tampilkan($_POST['shc_dir']);
}
echo "</pre>
"; 
echo "</Center>
";