public function action_update()
 {
     Controller_admin::check_user();
     $items = News::get_one($_GET['id']);
     $viewer = new Views();
     $viewer->items = $items;
     $viewer->display('edit_views');
     if (!empty($_POST['delete'])) {
         $delete = new Controller_add();
         $delete->deleteNews();
     }
     if (!empty($_POST['title'])) {
         $article = new Add();
         $article->title = $_POST['title'];
         $article->content = $_POST['content'];
         $article->id_article = $_GET['id'];
         $article->save();
     }
 }
    public function action_update()
    {
        $items = News::get_one($_GET['id']);
        $viewer = new Views;
        $viewer->items = $items;
        $viewer->display ('edit_views');

        //Обрабатываем нажатие кнопки "удалить"
        if (!empty($_POST['delete']))
        {
            $delete = new Controller_add;
            $delete->deleteNews();
        }

        //Сохраняем изменения
        if (!empty($_POST['title']))
        {
            $article = new Add;
            $article->title = $_POST['title'];
            $article->content = $_POST['content'];
            $article->id_article = $_GET['id'];
            $article->save();
        }
    }