addProcess(new Swoole\Process(function (\Swoole\Process $server) use ($client) { while (true) { echo json_encode($client->stats(), JSON_UNESCAPED_UNICODE) . PHP_EOL; sleep(1); } })); $client->on('open', function (Server $server) { }); $client->on('message', function (Server $server, $frame) { }); $client->on('close', function (Server $server, $fd) { }); $client->start();