DoraRPC\Client::generateGuid PHP Метод

    private function generateGuid()
    {
        //to make sure the guid is unique for the async result
        while (1) {
            $guid = md5(microtime(true) . mt_rand(1, 1000000) . mt_rand(1, 1000000));
            //prevent the guid on the async list
            if (!isset(self::$asynclist[$guid])) {
                return $guid;
            }
        }
    }