FluidTYPO3\Vhs\ViewHelpers\Page\LanguageMenuViewHelper::render PHP Method

    public function render()
    {
        if (false === is_object($GLOBALS['TSFE']->sys_page)) {
            return null;
        }
        $this->cObj = GeneralUtility::makeInstance('TYPO3\\CMS\\Frontend\\ContentObject\\ContentObjectRenderer');
        $this->tagName = $this->arguments['tagName'];
        // to set the tagName we should call initialize()
        $this->initialize();
        $this->languageMenu = $this->parseLanguageMenu();
        $this->templateVariableContainer->add($this->arguments['as'], $this->languageMenu);
        $content = $this->renderChildren();
        $this->templateVariableContainer->remove($this->arguments['as']);
        if (0 === strlen(trim($content))) {
            $content = $this->autoRender();
        }
        return $content;
    }