Blog::model PHP Метод

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

 public function actionBlogs()
 {
     $data = Yii::app()->ls->createCommand('SELECT * FROM prefix_blog')->queryAll();
     $transaction = Yii::app()->db->beginTransaction();
     try {
         Blog::model()->deleteAll();
         foreach ($data as $blog) {
             echo "Import blog  '{$blog['blog_title']}' !\n";
             $slug = $blog['blog_url'] ? $blog['blog_url'] : yupe\helpers\YText::translit($blog['blog_title']);
             $updateDate = $blog['blog_date_edit'] ? $blog['blog_date_edit'] : $blog['blog_date_add'];
             $icon = '';
             if ($blog['blog_avatar']) {
                 $url = parse_url($blog['blog_avatar']);
                 if (!empty($url['path'])) {
                     $icon = str_replace('/uploads/', '', $url['path']);
                 }
             }
             $type = $blog['blog_type'] == 'personal' ? Blog::TYPE_PRIVATE : Blog::TYPE_PUBLIC;
             Yii::app()->db->createCommand('
                INSERT INTO {{blog_blog}} (id, name, slug, description, create_user_id, update_user_id, create_date, update_date, icon, type)
                            VALUES (:id, :name, :slug, :description, :create_user_id, :update_user_id, :create_date, :update_date, :icon, :type)
             ')->bindValue(':id', $blog['blog_id'])->bindValue(':name', $blog['blog_title'])->bindValue(':slug', $slug)->bindValue(':description', strip_tags($blog['blog_description']))->bindValue(':create_user_id', $blog['user_owner_id'])->bindValue(':update_user_id', $blog['user_owner_id'])->bindValue(':create_date', strtotime($blog['blog_date_add']))->bindValue(':update_date', strtotime($updateDate))->bindValue(':icon', $icon)->bindValue(':type', $type)->execute();
         }
         $transaction->commit();
     } catch (Exception $e) {
         CVarDumper::dump($e);
         $transaction->rollback();
         die;
     }
 }