<?php

$name        = "myname";
$to          = "receive@gmail.com";
$email       = "sender@gmail.com";
$from        = "myname";
$subject     = "Here is your attachment";
$mainMessage = "Hi, here's the file.";
$fileatt     =  $_SERVER['DOCUMENT_ROOT']."/xxx/ticket.pdf";

$fileatttype = "application/pdf";
$fileattname = "ticket.pdf";
$headers     = "From: $from";

// File
$file = fopen($fileatt, 'rb');
$data = fread($file, filesize($fileatt));
fclose($file);

// This attaches the file
$semi_rand     = md5(time());
$mime_boundary = "==Multipart_Boundary_x{$semi_rand}x";
$headers      .= "nMIME-Version: 1.0n" .
"Content-Type: multipart/mixed;n" .
" boundary="{$mime_boundary}"";

$message = "This is a multi-part message in MIME format.nn" .
"-{$mime_boundary}n" .
"Content-Type: text/html; charset="iso-8859-1n" .
"Content-Transfer-Encoding: 7bitnn" .
$mainMessage  . "nn";

$data = chunk_split(base64_encode($data));
$message .= "--{$mime_boundary}n" .
"Content-Type: {$fileatttype};n" .
" name="{$fileattname}"n" .
"Content-Disposition: attachment;n" .
" filename="{$fileattname}"n" .
"Content-Transfer-Encoding: base64nn" .
$data . "nn" .
"-{$mime_boundary}-n";

// Send the email
if(mail($to, $subject, $message, $headers)) {
    echo "The email was sent.";
}
else {
    echo "There was an error sending the mail.";
}


?>