Contao\BackendTemplate::parse PHP Method

    public function parse()
    {
        $strBuffer = parent::parse();
        // HOOK: add custom parse filters
        if (isset($GLOBALS['TL_HOOKS']['parseBackendTemplate']) && is_array($GLOBALS['TL_HOOKS']['parseBackendTemplate'])) {
            foreach ($GLOBALS['TL_HOOKS']['parseBackendTemplate'] as $callback) {
                $this->import($callback[0]);
                $strBuffer = $this->{$callback[0]}->{$callback[1]}($strBuffer, $this->strTemplate);
            }
        }
        return $strBuffer;
    }

 /**
  * Do not display the module if there are no articles
  *
  * @return string
  */
 public function generate()
 {
     if (TL_MODE == 'BE') {
         /** @var BackendTemplate|object $objTemplate */
         $objTemplate = new \BackendTemplate('be_wildcard');
         $objTemplate->wildcard = '### ' . Utf8::strtoupper($GLOBALS['TL_LANG']['FMD']['articlenav'][0]) . ' ###';
         $objTemplate->title = $this->headline;
         $objTemplate->id = $this->id;
         $objTemplate->link = $this->name;
         $objTemplate->href = 'contao/main.php?do=themes&table=tl_module&act=edit&id=' . $this->id;
         return $objTemplate->parse();
     }
     /** @var PageModel $objPage */
     global $objPage;
     $this->objArticles = \ArticleModel::findPublishedWithTeaserByPidAndColumn($objPage->id, $this->strColumn);
     // Return if there are no articles
     if ($this->objArticles === null) {
         return '';
     }
     // Redirect to the first article if no article is selected
     if (!\Input::get('articles')) {
         if (!$this->loadFirst) {
             return '';
         }
         /** @var ArticleModel $objArticle */
         $objArticle = $this->objArticles->current();
         $strAlias = $objArticle->alias ?: $objArticle->id;
         $this->redirect($this->generateFrontendUrl($objPage->row(), '/articles/' . $strAlias));
     }
     return parent::generate();
 }