connectionManager = $connectionManager; } public function handle(Request $request, ConnectionInterface $httpConnection) { $connection = $this->connectionManager->findControlConnectionForClientId($request->get('id')); if (! is_null($connection)) { $connection->close(); $this->connectionManager->removeControlConnection($connection); } $httpConnection->send(respond_json([ 'sites' => $this->connectionManager->getConnections(), ])); } }