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Matthias Noback:
Symfony2 How to create framework independent controllers?
June 18, 2014 @ 09:15:16

Matthias Noback has a new post to his site today, the first part of a series, looking at making framework-independent controllers for use in a Symfony2 framework-based project.

The general belief is that controllers are the most tightly coupled classes in every application. Most of the time based on the request data, they fetch and/or store persistent data from/in some place, then turn the data into HTML, which serves as the response to the client who initially made the request. [...] In this post I demonstrate that this high level of coupling is definitely not necessary. I will show you how you can decrease coupling a lot by taking some simple steps. We will end with a controller that is reusable in different types of applications, e.g. a Silex application, or even a Drupal application.

In this first part he focuses on a few places where the common practices lead to some unnecessary coupling between the controller and framework:

  • Using the framework helper methods
  • Using dependency injection (manually injecting instead)
  • Making the controller a service instead

The next post in the series will look at the use of annotations and how to refactor them out of the controller to remove yet another coupling point.

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Link: http://php-and-symfony.matthiasnoback.nl/2014/06/how-to-create-framework-independent-controllers/

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