workerman_test.php

<?php

use Workerman\Lib\Timer;
use Workerman\Worker;

require __DIR__ . '/bootstrap/autoload.php';

Timer::add(0.1, function () {
    echo "First timer\n";

    Timer::add(0.1, function () {
        echo "Second timer\n";

        $udpWorker = new Worker("udp://0.0.0.0:15123");
        $udpWorker->onMessage = function ($connection, $data) {
            echo "Received $data\n";
        };
    }, null, false);

    Timer::add(3, function () {
       echo "Third timer\n" ;
    }, null, false);

}, null, false);

\Workerman\Worker::runAll();