Which of the following is an example of a model definition in CakePHP?

Question:Which of the following is an example of a model definition in CakePHP?

1.None of these

2.App::uses('AppModel', 'Model'); class Ingredient extends AppModel { public $name = 'Ingredient'; }

3.CakePlugin::loadAll(); // Loads all plugins at once CakePlugin::load('ContactManager'); //Loads a single plugin

4.class IngredientsController extends AppController { public function index() {

Answer:2