Admin_AssetController::showVersionAction PHP Метод

    public function showVersionAction()
    {
        $id = intval($this->getParam("id"));
        $version = Model\Version::getById($id);
        $asset = $version->loadData();
        if ($asset->isAllowed("versions")) {
            $this->view->asset = $asset;
            $this->render("show-version-" . $asset->getType());
        } else {
            throw new \Exception("Permission denied, version id [" . $id . "]");
        }
    }