SeatGeek\Sixpack\Session\Base::generateClientId PHP Метод

    protected function generateClientId()
    {
        // This is just a first pass for testing. not actually unique.
        // TODO, NOT THIS
        $md5 = strtoupper(md5(uniqid(rand(), true)));
        $clientId = substr($md5, 0, 8) . '-' . substr($md5, 8, 4) . '-' . substr($md5, 12, 4) . '-' . substr($md5, 16, 4) . '-' . substr($md5, 20);
        return $clientId;
    }