gistfile1.php

  protected function displayResponse()
    {

//        $this->
//        (new EchoFormatApi())->output($this->request, $this->response);

        $parser = new TemplateNameParser();
        $loader = new FilesystemLoader(
            array(
                SYS_LAYOUTS_PATH . '/Pages/%name%.php',
                SYS_LAYOUTS_PATH . '/Partial/%name%.php',
                SYS_LAYOUTS_PATH . '/Widgets/%name%.php'
            ));

        $engine = new PhpEngine($parser, $loader);
        $engine->addHelpers(
            array(
                new \Symfony\Component\Templating\Helper\SlotsHelper(),
                new \GG\Templating\Helper\LinkHelper(),
                new \GG\Templating\Helper\ShopHelper(),
            ));
        $engine->setCharset('UTF-8');

        $response = new Response();

        $format = $this->getFormatFromRequest();
        $response->headers->set('Content-type', $this->contentTypes[$format]. "; charset=UTF-8");
        $response->headers->set('Cache-Control', 'no-cache, must-revalidate');
        $response->headers->set('Expires', 'Sat, 26 Jul 1997 05:00:00 GMT');

        $template = $this->setupTemplateName();

        $response->setContent($engine->render($template, array('input' => $this->response)));
        $response->send();