Backend\Modules\Blog\Actions\DeleteCategory::execute PHP Метод

    public function execute()
    {
        $this->id = $this->getParameter('id', 'int');
        // does the item exist
        if ($this->id !== null && BackendBlogModel::existsCategory($this->id)) {
            // get data
            $this->record = (array) BackendBlogModel::getCategory($this->id);
            // allowed to delete the category?
            if (BackendBlogModel::deleteCategoryAllowed($this->id)) {
                // call parent, this will probably add some general CSS/JS or other required files
                parent::execute();
                // delete item
                BackendBlogModel::deleteCategory($this->id);
                // trigger event
                BackendModel::triggerEvent($this->getModule(), 'after_delete_category', array('id' => $this->id));
                // category was deleted, so redirect
                $this->redirect(BackendModel::createURLForAction('Categories') . '&report=deleted-category&var=' . rawurlencode($this->record['title']));
            } else {
                $this->redirect(BackendModel::createURLForAction('Categories') . '&error=delete-category-not-allowed&var=' . rawurlencode($this->record['title']));
            }
        } else {
            // something went wrong
            $this->redirect(BackendModel::createURLForAction('Categories') . '&error=non-existing');
        }
    }