配置选项

open_websocket_close_frame

$server = new swoole_websocket_server("0.0.0.0", 9501);
$server->set(array("open_websocket_close_frame" => true));
$server->on('open', function (swoole_websocket_server $server, $request) {});
$server->on('message', function (swoole_websocket_server $server, $frame) {
        echo "Close frame received: Code {$frame->code} Reason {$frame->reason}\n";
        echo "Message received: {$frame->data}\n";
    }
});
$server->on('close', function ($ser, $fd) {});
$server->start();