<?php

defined('BASEPATH') OR exit('No direct script access allowed');

class MY_Controller extends CI_Controller {

public function __construct()
{
    parent::__construct();
    $this->the_session_expired();
    date_default_timezone_set('UTC');
}

    private function the_session_expired()
    {
        $tab_data_ses = $this->session->all_userdata();

        if (empty($tab_data_ses['tel']))
        {
            $this->session->sess_destroy();
            header("Location:".base_url());
            exit();
        }
        else
        {
            return 1;
        }
    }

}