Piwik\Plugins\CoreUpdater\Controller::index PHP Method

    public function index()
    {
        $language = Common::getRequestVar('language', '');
        if (!empty($language)) {
            LanguagesManager::setLanguageForSession($language);
        }
        try {
            return $this->runUpdaterAndExit();
        } catch (NoUpdatesFoundException $e) {
            Piwik::redirectToModule('CoreHome');
        }
    }