Contao\Controller::getPageDetails PHP Method

    public static function getPageDetails($intId)
    {
        @trigger_error('Using Controller::getPageDetails() has been deprecated and will no longer work in Contao 5.0. Use PageModel::findWithDetails() or PageModel->loadDetails() instead.', E_USER_DEPRECATED);
        if ($intId instanceof PageModel) {
            return $intId->loadDetails();
        } elseif ($intId instanceof Model\Collection) {
            /** @var PageModel $objPage */
            $objPage = $intId->current();
            return $objPage->loadDetails();
        } elseif (is_object($intId)) {
            $strKey = __METHOD__ . '-' . $intId->id;
            // Try to load from cache
            if (\Cache::has($strKey)) {
                return \Cache::get($strKey);
            }
            // Create a model from the database result
            $objPage = new \PageModel();
            $objPage->setRow($intId->row());
            $objPage->loadDetails();
            \Cache::set($strKey, $objPage);
            return $objPage;
        } else {
            // Invalid ID
            if (!strlen($intId) || $intId < 1) {
                return null;
            }
            $strKey = __METHOD__ . '-' . $intId;
            // Try to load from cache
            if (\Cache::has($strKey)) {
                return \Cache::get($strKey);
            }
            $objPage = \PageModel::findWithDetails($intId);
            \Cache::set($strKey, $objPage);
            return $objPage;
        }
    }