Clue\React\Redis\Factory::createClient PHP Метод

    public function createClient($target = null)
    {
        try {
            $parts = $this->parseUrl($target);
        } catch (InvalidArgumentException $e) {
            return Promise\reject($e);
        }
        $protocol = $this->protocol;
        $promise = $this->connector->create($parts['host'], $parts['port'])->then(function (Stream $stream) use($protocol) {
            return new StreamingClient($stream, $protocol->createResponseParser(), $protocol->createSerializer());
        });
        if (isset($parts['auth'])) {
            $promise = $promise->then(function (StreamingClient $client) use($parts) {
                return $client->auth($parts['auth'])->then(function () use($client) {
                    return $client;
                }, function ($error) use($client) {
                    $client->close();
                    throw $error;
                });
            });
        }
        if (isset($parts['db'])) {
            $promise = $promise->then(function (StreamingClient $client) use($parts) {
                return $client->select($parts['db'])->then(function () use($client) {
                    return $client;
                }, function ($error) use($client) {
                    $client->close();
                    throw $error;
                });
            });
        }
        return $promise;
    }

 /**
  * Connect to server and retrun promise with client.
  * 
  * @return \React\Promise\PromiseInterface
  */
 public function createClient()
 {
     return $this->factory->createClient($this->savePath)->then(function ($client) {
         $this->server->log('Connected with success to Redis server.');
         return $client;
     }, function ($e) {
         $this->server->log('Application got an error on try to connect with Redis server: %s.', [$e->getMessage()]);
         throw $e;
     });
 }