cakephp/tests/test_app/TestApp/Controller/PostsController.php

<?php
/**
 * CakePHP(tm) : Rapid Development Framework (http://cakephp.org)
 * Copyright (c) Cake Software Foundation, Inc. (http://cakefoundation.org)
 *
 * Licensed under The MIT License
 * For full copyright and license information, please see the LICENSE.txt
 * Redistributions of files must retain the above copyright notice.
 *
 * @copyright     Copyright (c) Cake Software Foundation, Inc. (http://cakefoundation.org)
 * @link          http://cakephp.org CakePHP(tm) Project
 * @since         3.0.0
 * @license       http://www.opensource.org/licenses/mit-license.php MIT License
 */
namespace TestApp\Controller;

use TestApp\Controller\AppController;

/**
 * PostsController class
 *
 */
class PostsController extends AppController {

/**
 * Components array
 *
 * @var array
 */
	public $components = array(
		'Flash',
		'RequestHandler',
	);

/**
 * Index method.
 *
 * @return void
 */
	public function index() {
		$this->Flash->error('An error message');
		$this->response->cookie([
			'name' => 'remember_me',
			'value' => 1
		]);
		$this->set('test', 'value');
	}
}