subscribe中onMessage接收到的消息如何判断是否retained保留消息？ <?php use Workerman\Worker; require_once __DIR__ . '/vendor/autoload.php'; $worker = new Worker(); $worker->onWorkerStart = function(){ $mqtt = new Worker...

问题描述 安装webman报错：Could not find package workerman/webman with stability stable. php版本7.3 composer的版本v2.5.8 程序代码 $ composer create-project workerman/webman Creating a "workerman/webman" project at "./webman" In ...