Domain-Driven Design in PHP

Arggg, So Many Dependencies!

Is it normal that I have to create so many dependencies by hand? No. It is common to use a Dependency Injection component or a Service Container with such capabilities. Again, Symfony comes to the rescue, however, you can also check PHP-DI 4.

Let's see the resulting code in Listing 14 after applying Symfony Service Container component to our application:

class IdeaController extends ContainerAwareController{    public function rateAction()    {        $ideaId = $this->request->getParam('id');        $rating = $this->request->getParam('rating');        $useCase = $this->get('rate_idea_use_case');        $response = $useCase->execute(            new RateIdeaRequest($ideaId, $rating)        );        $this->redirect('/idea/' . $response->idea->getId());    }}

The controller ...