lnapp/classes/lnApp/Controller/Logout.php

<?php defined('SYSPATH') or die('No direct access allowed.');

/**
 * This class provides logout capability
 *
 * @package    lnApp
 * @category   Controllers
 * @author     Deon George
 * @copyright  (c) 2009-2013 Deon George
 * @license    http://dev.leenooks.net/license.html
 * @also       [login]
 */
abstract class lnApp_Controller_Logout extends Controller {
	public function action_index() {
		// If user already signed-in
		if (Auth::instance()->logged_in()) {
			$ao = Auth::instance()->get_user();

			if (method_exists($ao,'log'))
				$ao->log('Logged Out');

			Auth::instance()->logout(TRUE);
		}

		HTTP::redirect('welcome/index');
	}
}
?>