RainLab\Pages\Classes\PageList::getPagesConfig PHP Метод

    protected function getPagesConfig()
    {
        if (self::$configCache !== false) {
            return self::$configCache;
        }
        $filePath = $this->getConfigFilePath();
        if (!file_exists($filePath)) {
            return self::$configCache = ['static-pages' => []];
        }
        $config = Yaml::parse(File::get($filePath));
        if (!array_key_exists('static-pages', $config)) {
            throw new SystemException('The content of the theme meta/static-pages.yaml file is invalid: the "static-pages" root element is not found.');
        }
        return self::$configCache = $config;
    }