### 安裝 `composer require workerman/workerman` ~~~ "workerman/workerman": "^4.0" ~~~ ### 代碼構建 ~~~ <?php /** * Name * Created by WML * Created on 2022/3/12 */ use Workerman\Timer; use Workerman\Worker; use Workerman\Connection\TcpConnection; require_once __DIR__ . '/vendor/autoload.php'; // 心跳間隔55秒 define('HEARTBEAT_TIME', 55); // 注意：這里與上個例子不同，使用的是websocket協議 $ws_worker = new Worker("websocket://0.0.0.0:12124"); // 啟動4個進程對外提供服務 $ws_worker->count = 4; //當客戶端連接上來的時候 $ws_worker->onConnect = function (TcpConnection $connection) { $connection->send("連接成功，有什么可以幫助你的嗎?"); }; // 當收到客戶端發來的數據后返回hello $data給客戶端 $ws_worker->onMessage = function(TcpConnection $connection, $data) { $connection->lastMessageTime = time(); // 向客戶端發送hello $data $connection->send('hello ' . $data); }; $ws_worker->onClose = function (TcpConnection $connection) { var_dump('連接關閉'); }; // 進程啟動后設置一個每10秒運行一次的定時器 $ws_worker->onWorkerStart = function($worker) { Timer::add(10, function()use($worker){ $time_now = time(); foreach($worker->connections as $connection) { // 有可能該connection還沒收到過消息，則lastMessageTime設置為當前時間 if (empty($connection->lastMessageTime)) { $connection->lastMessageTime = $time_now; continue; } // 上次通訊時間間隔大于心跳間隔，則認為客戶端已經下線，關閉連接 if ($time_now - $connection->lastMessageTime > HEARTBEAT_TIME) { $connection->close(); } } }); }; // 運行worker Worker::runAll(); ~~~ ### 執行