save

.history/start2_20220909190741.php

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+<?php
+use Workerman\Worker;
+use Workerman\Connection\TcpConnection;
+use Workerman\Protocols\Http\Request;
+use Workerman\Protocols;
+require_once __DIR__ . '/vendor/autoload.php';
+$worker = new Worker('udp://0.0.0.0:53');
+// 注意直接udp协议是有效的，使用自定义协议无效
+$worker->protocol  = 'Dns';  
+$worker->onMessage = function($connection, $data){
+echo $data;
+};
+Worker::runAll();