string Connection::$protocol
设置此链的应用层协议打包解包所使用的类
use Workerman\Worker;
$worker = new Worker('tcp://0.0.0.0:8484');
$worker->onConnect = function($connection)
{
$connection->protocol = 'Workerman\\Protocols\\Http';
};
$worker->onMessage = function($connection, $data)
{
var_dump($_GET, $_POST);
// send 时会自动调用$connection->protocol::encode(),打包数据后再发送
$connection->send("hello");
};