How to create cron job in codeigniter

Step 1

//Write code in controller file
<?php
class cron_job_cnt extends CI_Controller { 
    public function __construct() {
            parent::__construct();
			$this->load->helper(array('form', 'url'));
            $this->load->library("pagination");        
    }
    function cron_job()
    {
		$this->load->model('cron_job_model');
		$this->cron_job_model->cron_job(); 
    }
}
?>

Step 2

//Write code in model file
<?php
header('Access-Control-Allow-Origin: *'); 
header("Access-Control-Allow-Credentials: true");
header('Access-Control-Allow-Methods: GET, PUT, POST, DELETE, OPTIONS');
header('Access-Control-Max-Age: 1000');
header('Access-Control-Allow-Headers: Origin, Content-Type, X-Auth-Token , Authorization');
class cron_job_model extends CI_Model 
{    	
    function cron_job()
    {
		$msg = "Hi! Thanks for watching this video. Comments if you want this code.";
		$msg = wordwrap($msg,70);
		// send email
		mail("[email protected]","Codeignator cron job by Shinerweb",$msg);			
    }
}
?>

Step 3

/usr/local/bin/php /home/fbi1glfa0j7p/public_html/cakenbake.in/index.php cron_job_cnt/cron_job

Don’t forgot to give space after index.php