Taxonomy::model PHP Method

    public static function model($className = __CLASS__)
    {
        return parent::model($className);
    }

 public function run()
 {
     parent::run();
     $data = array();
     $id_listen_cat = Category::model()->findAll("taxonomy_id = " . $this->_id_bai_hoc . " and state = 1");
     $id_listen_cat_array = array();
     foreach ($id_listen_cat as $k) {
         $id_listen_cat_array[] = $k->id;
     }
     $id_news_cat = Category::model()->findAll("taxonomy_id = " . $this->_id__tintuc . " and state = 1");
     $id_news_cat_array = array();
     foreach ($id_news_cat as $k) {
         $id_news_cat_array[] = $k->id;
     }
     $comment = Comment::model()->findAll(array("condition" => "state = 1", "limit" => 5, "order" => "id desc"));
     $options = array();
     $i = 0;
     foreach ($comment as $k) {
         $options[$i]['content'] = Content::model()->findByPk($k->content_id);
         $options[$i]['category'] = Category::model()->findByPk($options[$i]['content']->category_id);
         $options[$i]['parent'] = '';
         if ($options[$i]['category']->parent != 0) {
             $options[$i]['parent'] = Category::model()->findByPk($options[$i]['category']->parent);
         }
         $options[$i]['taxonomy'] = Taxonomy::model()->findByPk($options[$i]['category']->taxonomy_id);
         $i++;
     }
     $data['comments'] = $comment;
     $data['options'] = $options;
     $data['news'] = Content::model()->findAll(array("condition" => "state = 1 and category_id in (" . implode(",", $id_news_cat_array) . ")", "limit" => 10, "order" => "id desc"));
     $data['listen'] = Content::model()->findAll(array("condition" => "state = 1 and category_id in (" . implode(",", $id_listen_cat_array) . ")", "limit" => 10, "order" => "id desc"));
     $this->render('news_lession_comment', $data);
 }