- mt_rand: documentation ( source)
<?php
function genRandomString($length=10 ,$characters = '0123456789abcdefghijklmnopqrstuvwxyz',$string = '') {
for ($p = 0; $p < $length; $p++) {
$string .= $characters[mt_rand(0, strlen($characters)-1)];
}
return $string; }
echo genRandomString();