<?php use Workerman\Worker; use Workerman\Connection\TcpConnection; use Workerman\Protocols\Http\Request; require_once __DIR__ . '/vendor/autoload.php'; $udp_worker = new Worker('udp://127.0.0.1:9090'); $udp_worker->onMessage = function($connection, $data){ var_dump($data); $connection->send('get'); }; Worker::runAll();