~~~ $client = new \swoole_client(SWOOLE_SOCK_TCP); try{ $con = $client->connect('127.0.0.1', 9501, -1); if($con){ $res = $client->send("hello world ".DateTimeHelper::now()." \n"); show_dump($res); $recv = $client->recv(); show_dump($recv); show_dump('>>>>>>>>>>>>>>++'); show_dump(DateTimeHelper::now()); show_dump($client->isConnected()); } $client->close(); }catch (Exception $e){ show_dump('exit'); } ~~~