<?php

function mail_attach($to, $subject, $from_mail, $from_name, $files, $message, $additional_headers = '')
{
  $headers = "From: $from_name <$from_mail>";

  $boundary = '==' . md5(time()) . '==';

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

  if (strlen($$additional_headers))
    $headers .= "\n" . $additional_headers;

  $message = "--{$boundary}\n" .
    "Content-Type: text/plain; charset=\"iso-8859-1\"\n" .
    "Content-Transfer-Encoding: 8bit\n\n" . $message . "\n\n";

  for ($i=0;$i<count($files);$i++) {
    if (is_file($files[$i])) {
      $message .= "--{$boundary}\n";
      $f = fopen($files[$i],"rb");
      $content = fread($f,filesize($files[$i]));
      fclose($f);
      $content = chunk_split(base64_encode($content));
      $message .= "Content-Type: application/octet-stream; name=\"".basename($files[$i])."\"\n" .
	"Content-Description: ".basename($files[$i])."\n" .
	"Content-Disposition: attachment; filename=\"".basename($files[$i])."\"; size=".filesize($files[$i]).";\n" .
	"Content-Transfer-Encoding: base64\n\n" . $content . "\n\n";
    }
  }

  $message .= '--'.$boundary.'--';
  $returnpath = "-t -f" . $from_mail;
  return mail($to, $subject, $message, $headers, $returnpath);
}

?>