RouterTest::testRegexOptionalParameters PHP Method

    function testRegexOptionalParameters()
    {
        $this->router->map('/@controller/@method(/@id:[0-9]+)', function ($controller, $method, $id) {
            echo "{$controller},{$method},{$id}";
        });
        $this->request->url = '/user/delete/123';
        $this->check('user,delete,123');
    }