Messages::__construct PHP Method

    public function __construct()
    {
        parent::__construct();
        //  calls the constructor
        $this->load->library('pagination');
        $this->load->model('Messages_model');
        $this->load->model('Staffs_model');
        $this->lang->load('messages');
    }

 public function __construct($name, $display_name, $path)
 {
     parent::__construct($name, $display_name, $path);
     $this->_smartyPath = PATH_SMARTY_TPL . '/web' . $path;
 }