Piwik\Plugins\LanguagesManager\LanguagesManager::getLanguagesSelector PHP Method

    public function getLanguagesSelector()
    {
        $view = new View("@LanguagesManager/getLanguagesSelector");
        $view->languages = API::getInstance()->getAvailableLanguageNames();
        $view->currentLanguageCode = self::getLanguageCodeForCurrentUser();
        $view->currentLanguageName = self::getLanguageNameForCurrentUser();
        return $view->render();
    }

 public function configureTopMenu(MenuTop $menu)
 {
     if (Piwik::isUserIsAnonymous() || !SettingsPiwik::isPiwikInstalled()) {
         $langManager = new LanguagesManager();
         $menu->addHtml('LanguageSelector', $langManager->getLanguagesSelector(), true, $order = 30, false);
     }
 }