sf

public function deleteAction($id)
    {
    	$article = Article::findFirst($id);
    	$this->deleteImages($article->images,$article->thumbnail_image);
    	$article->delete();
    	return $this->response->redirect($_SERVER["HTTP_REFERER"]);
    }
    
    public function deleteImages($images,$thumbnail)
    {
        //
        $web_root = $_SERVER['DOCUMENT_ROOT'];
        $imgs = explode("|", $images);
        foreach ($imgs as $img){            
            @unlink($web_root.$img);
        }
        //
        @unlink($web_root.$thumbnail);
    }