codeigniter basecontroller with cookie, time, ip and user

BaseController.php

<?php
require BASEPATH.'core/Controller.php';

include_once 'WebContext.php';

class BaseController extends CI_Controller {
 
    var $webContext;
 
    function __construct() {
        parent::__construct();
     
        date_default_timezone_set('Asia/Ulaanbaatar');
     
        $this->webContext = new WebContext();
    }
 
    function ip() {
        return $this->input->ip_address();
    }
 
    function user() {
        return $this->webContext->getCurrentUser();
    }
}
?>

BorooController.php

<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
interface IInterface0
{
}
interface IInterface1 extends IInterface0
{
}
class boroo extends BaseController implements IInterface1 {

    function __construct() {
        parent::__construct();
        $clss = class_parents($this);
        foreach($clss as $cls)
        {
            if (substr($cls,0,3) == 'CI_')
                if(is_subclass_of($this, 'BaseController') && is_subclass_of($this, 'CI_Controller'))
                    echo $cls.' is yes<br>';
        }
    }
 
    public function hello()
{
        global $RTR;
     
        global $RTR;
       
        $expire = (7 * 24 * 60 * 60);
        $this->input->set_cookie("time", time(), $expire);
        $time = $this->input->cookie('time');
       
        $dstr = date('Y-m-d H:i:s', $time);
        $data['message'] = 'Date is '.$dstr.', IP is '.$this->ip();
$this->load->view($RTR->fetch_directory().$RTR->fetch_class().'/hello',$data);
    }
}