DistributedServer::onWorkerError PHP Method

    public function onWorkerError($serv, $worker_id, $worker_pid, $exit_code)
    {
        if (empty($this->client_pool)) {
            DistributedClient::getInstance()->removeuser($this->localip, 'Distributed');
            print_r($this->localip . " have closed\n");
        }
    }