Tanya : Templating di Codeigniter

class MY_Loader extends CI_Loader{
    function MY_Loader(){
        parent::CI_Loader();
        $this->_ci_view_path = FCPATH . 'views/';
    }
 
    function view($view, $vars = array(), $return = FALSE){
        $view = $this->_get_current_theme() . '/' . $view;
        return parent::view($view, $vars, $return);
    }
 
    function _get_current_theme(){
        /*
        bisa ambil settingan thema dari DB, atau config file atau juga constant file,
        misal disimpan di constant file, application/config/constants.php
        tambahkan baris berikut pada file constants.php
 
        define('DEFAULT_THEME', 'theme1');
 
        */
 
        return DEFAULT_THEME;
    }
}

class Page extends Controller{
    function view_page(){
        $this->load->view('view1.php');
    }
}