gistfile1.txt

    public function renderContent($contentBlockName)
    {  
        $siteManager = $this->container->get('yprox.site.manager');
        $contents = $siteManager->getContentByBlockName($contentBlockName);
        $contentList = array();

        foreach ($contents as $content) {
            $extension = $this->container->get('yprox.extension_manager')->getExtension($content->getExtensionAlias());
            $feature = $extension->getFeature($content->getFeatureName());
            try {
                $contentHtml = $this->container->get('templating')->render('CmsBundle:SiteContent:contentWrapper.html.twig', array(
                    'controllerName' => $feature->getControllerName(),
                    'content' => $content,
                    'parentContainer' => clone $this->container,
                    'showContent' => $this->container->get('request')->get('_showContent', null),
                ));
            } catch (\ContentNotFoundException $e) {
                $contentHtml = $this->container->get('templating')->render('contentNotFoundTemplate.html.twig', array());
            }

            $contentList[] = $contentHtml;
        }

        return implode("<br/>", $contentList);
    }