Snippit: PHP: Random String Function

gistfile1.php

<?php
/* Generates a random string from the charachters listed in $characters and returns the random string.
*/
function genRandomString($length) {
    $characters = '0123456789abcdefghijklmnopqrstuvwxyz!@#$%&*()';
    $randstring = "";    
    for ($p = 0; $p < $length; $p++) {
        $randstring .= $characters[mt_rand(0, strlen($characters))];
    }
    return $randstring;
}
?>