<?php

$name    = "Name goes here";
$email   = "someome@anadress.com";
$to      = "$name <$email>";
$from    = "John-Smith ";
$subject = "Here is your attachment";

$fileatt = "./test.pdf";

$fileatttype = "application/pdf";

$fileattname = "newname.pdf";

$headers = "From: $from";

$file = fopen($fileatt, 'rb');

$data = fread($file, filesize($fileatt));

fclose($file);

$semi_rand = md5(time());

$mime_boundary = "==Multipart_Boundary_x{$semi_rand}x";

$headers .= "\n" .
            "MIME-Version: 1.0\n" .
            "Content-Type: multipart/mixed;\n" .
            " boundary=\"{$mime_boundary}\"";

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

$data = chunk_split(base64_encode($data));

$message .= "–{$mime_boundary}\n" .
            "Content-Type: {$fileatttype};\n" .
            " name=\"{$fileattname}\"\n" .
            "Content-Disposition: attachment;\n" .
            " filename=\"{$fileattname}\"\n" .
            "Content-Transfer-Encoding: base64\n\n" .
            $data . "\n\n" .
            "-{$mime_boundary}-\n";

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

?>