Backend\Core\Engine\Navigation::__construct PHP Метод

    public function __construct(KernelInterface $kernel)
    {
        parent::__construct($kernel);
        // store for later use throughout the application
        $this->getContainer()->set('navigation', $this);
        $this->URL = $this->getContainer()->get('url');
        // check if navigation cache file exists
        if (!is_file(self::getCacheDirectory() . 'navigation.php')) {
            $this->buildCache();
        }
        // check if editor_link_list_LANGUAGE.js cache file exists
        if (!is_file(FRONTEND_CACHE_PATH . '/Navigation/editor_link_list_' . BackendLanguage::getWorkingLanguage() . '.js')) {
            BackendPagesModel::buildCache(BackendLanguage::getWorkingLanguage());
        }
        $navigation = array();
        // require navigation-file
        require self::getCacheDirectory() . 'navigation.php';
        // load it
        $this->navigation = (array) $navigation;
        $this->navigation = $this->addActiveStateToNavigation($this->navigation);
        // cleanup navigation (not needed for god user)
        if (!Authentication::getUser()->isGod()) {
            $this->navigation = $this->cleanup($this->navigation);
        }
    }