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Fabien Potencier's Blog: Create your own framework... on top of the Symfony2 Components (part 5)

Note: This article was originally published at PHPDeveloper on 17 April 6897.
PHPDeveloper

Fabien Potencier has posted the fifth part of his series looking at building a custom framework on top of the Symfony2 components. In this new tutorial he adds in one of the major features of any framework - the controller level.

For simple pages like the ones we have created so far, that's not a problem, but if you want to add more logic, you would be forced to put the logic into the template itself, which is probably not a good idea, especially if you still have the separation of concerns principle in mind. Let's separate the template code from the logic by adding a new layer: the controller: The controller mission is to generate a Response based on the information conveyed by the client Request.

He updates the template rendering to use an external method instead of doing it itself and updates the routing to include a "_controller" attribute pointing to the method. The full code for the updated version of the framework is included - a simple request/response with handling for a "leap_year" route.