Disque\Connection\Manager::isConnected PHP Method

    public function isConnected()
    {
        return isset($this->nodeId) && $this->getCurrentNode()->isConnected();
    }

 /**
  * Tells if connection is established
  *
  * @return bool Success
  */
 public function isConnected()
 {
     return $this->connectionManager->isConnected();
 }