CakePHP2.xのチュートリアル エラーと対応メモ

Error: Call to a member function success() on null
File: C:\xampp\htdocs\cake2\app\Controller\PostsController.php

class PostsController extends AppController {
	public $helpers = array('Html', 'Form', 'Flash'); // FlashHelper
	public $components = array('Flash'); // ←FlashComponent

	public function index() {
		$this->set('posts', $this->Post->find('all'));
	}

	public function view($id) {
		if (!$id) {
			throw new NotFoundException(__('Invalid post'));
		}

		$post = $this->Post->findById($id);
		if (!$post) {
			throw new NotFoundException(__('Invalid post'));
		}
		$this->set('post', $post);
	}

	public function add() {
		if ($this->request->is('post')) {
			$this->Post->create();
			if ($this->Post->save($this->request->data)) {
				$this->Flash->success(__('Your post has been saved.')); // Flash->success
				return $this->redirect(array('action' => 'index'));
			}
			$this->Flash->error(__('Unable to add your post.')); // Flash->error
		}
	}
}

preg_match(): Delimiter must not be alphanumeric or backslash [CORE\Cake\Model\Validator\CakeValidationRule.php, line 282]

class Post extends AppModel {
  public $validate = array(
		'title' => array(
			'rule' => 'notBlank'
		),
		'body' => array(
			'rule' => 'notBlank'
		)
	);
}

strtolower() expects parameter 1 to be string, array given [CORE\Cake\Network\CakeRequest.php, line 477]

public function edit($id = null) {
	if (!$id) {
		throw new NotFoundException(__('Invalid post'));
	}

	$post = $this->Post->findById($id);
	if (!$post) {
		throw new NotFoundException(__('Invalid post'));
	}

	if ($this->request->is(array('post', 'put'))) {
		$this->Post->id = $id;
		if ($this->Post->save($this->request->data)) {
			$this->Flash->success(__('Your post has been updated.'));
			return $this->redirect(array('action' => 'index'));
		}
		$this->Flash->error(__('Unable to update your post.'));
	}

	if (!$this->request->data) {
		$this->request->data = $post;
	}
}

$this->request->is(array('post', 'put'))

$this->request->is('post') || $this->request->is('put')