CI Расширение базового контроллера

application\core\MY_Controller.php
<?php
class MY_Controller extends CI_Controller {

	public function __construct()
	{
		parent::__construct();
	}

	final public function _render($view = 'content', $data = array())
	{
		$menu['top'] = $this->menu_model->get_top_menu();
		$menu['cats'] = $this->category_model->get_list();
		$menu['tags'] = $this->tag_model->get_list();
		$menu['last_comments'] = $this->comment_model->get_last(10);
		$menu['links'] = $this->link_model->get_list();
		$menu['month_pages'] = $this->page_model->get_month_list();
		$menu['top_pages'] = $this->page_model->get_top(10);
		$menu['top_comments'] = $this->comment_model->get_top(10);

		$this->load->view('header', $menu);
		$this->load->view($view, $data);
		$this->load->view('footer', $menu);
	}
}

application\controllers\page.php
class Page extends MY_Controller {
	function __construct()
	{
		parent::__construct();
	}

	function index()
	{
		$data['page_title'] = 'Last 10 pages';
		$data['page_list'] = $this->page_model->get_list(10);

		$this->_render('content', $data);
	}

	function show($id = NULL)
	{
		$id = (int) $id;
		$data['page_title'] = 'Page #'.$id;
		$data['page'] = $this->page_model->get_page($id);

		$this->_render('page/show', $data);
	}
}