Create a unique 10-place user id.

gistfile1.aw

<?php


function createId($mail, $token) {
	$r = range('a', 'f');
	$h = md5($mail.$token);
	$i = str_replace($r, '', strtolower($h));
	$i = substr($i, 0, 10);
	return (string)$i;
}


?>