function MakeUnique($length=16) ( $salt = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789"; $len = strlen($salt); $makepass = ''; mt_srand(10000000*(double)microtime()); for ($i = 0; $i < $length; $i++) ( $makepass .= $salt(mt_rand(0,$len - 1)); ) return $makepass; )