gistfile1.txt

    function rand($min = 0, $max = 0) {
        if ($max AND $max <= mt_getrandmax()) {
            $number = mt_rand($min, $max);
        } else {
            $number = mt_rand();
        }
        mt_srand();
        return $number;
    }

    function random_password($passwordLength=8, $specialcars=true) {
        $passwordComponents = array("ABCDEFGHIJKLMNOPQRSTUVWXYZ" , "abcdefghijklmnopqrstuvwxyz" , "0123456789" , "#$@!");
        $componentsCount = count($passwordComponents);
        if(!$specialcars && $componentsCount == 4) {
            unset($passwordComponents[3]);
            $componentsCount = count($passwordComponents);
        }

        shuffle($passwordComponents); $password = '';
        for ($pos = 0; $pos < $passwordLength; $pos++) {
            $componentIndex = ($pos % $componentsCount);
            $componentLength = strlen($passwordComponents[$componentIndex]);
            $random = rand(0, $componentLength-1);
            $password .= $passwordComponents[$componentIndex]{ $random };
        }

        return $password;
    }