CI Cron example

<?php

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

class Cron extends CI_Controller {

    public function __construct() {
        parent::__construct();
        if (!$this->input->is_cli_request()) {
            die('No access');
        }
    }

    public function test() {
        $this->load->model('test');
    }

}