/*
|--------------------------------------------------------------------------
| Enable/Disable System Hooks
|--------------------------------------------------------------------------
|
| If you would like to use the "hooks" feature you must enable it by
| setting this variable to TRUE (boolean).  See the user guide for details.
|
*/
$config['enable_hooks'] = TRUE;

<?php  if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/*
| -------------------------------------------------------------------------
| Hooks
| -------------------------------------------------------------------------
| This file lets you define "hooks" to extend CI without hacking the core
| files.  Please see the user guide for info:
|
|	http://codeigniter.com/user_guide/general/hooks.html
|
*/

$hook['post_controller_constructor'][] = array(
											'function' => 'b_check',
											'filename' => 'browser_check.php',
											'filepath' => 'hooks'
											);

/* End of file hooks.php */
/* Location: ./system/application/config/hooks.php */

<?php
//browser_check.php
function b_check() {
	if ( preg_match('/(iPhone|Android|iPod|iPad|BlackBerry|IEMobile|HTC|Server_KO_SKT|SonyEricssonX1|SKT)/',$_SERVER['HTTP_USER_AGENT']) )
	{
		define('BROWSER_TYPE', 'M');
	}
	else
	{
		define('BROWSER_TYPE', 'W');
	}
}

?>