/** * Subscribe * * @param string $topicName * @param \Closure $callback * @param $options array * @return Promise */ public function subscribe($topicName, $callback, $options = null) { return $this->peer->getSubscriber()->subscribe($this, $topicName, $callback, $options); }
/** * @param $topicName * @param $callback */ public function subscribe($topicName, $callback) { $this->peer->getSubscriber()->subscribe($this, $topicName, $callback); }