Ergo\Application::run PHP Метод

    public function run($server = null, $stream = null)
    {
        $server = $server ?: $_SERVER;
        $stream = $stream ?: fopen('php://output', 'w');
        $controller = $this->controller();
        // build up wrappers of middleware
        foreach ($this->_middleware as $middleware) {
            $controller = new $middleware($controller, $this);
        }
        $requestFactory = new Http\RequestFactory($server);
        $response = $controller->execute($requestFactory->create());
        $sender = new Http\ResponseSender($response, $stream);
        $sender->send();
    }