Symfony2: Doctrine 2 Entity Listeners

When working on a little more complex application is inevitable that we'll get to the point when we need to trigger an action when something happens somewhere in our application. Quite often is the case that we need to bind our actions to an entity, like for example notify all subscribers to a blog post that the post they are following has changed.

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Symfony2: Forms and Ajax

Making Ajax calls is a trivial task nowadays for any web developer, and I'm sure it's no enigma for all of you how to do it using your favourite Javascript library or framework like jQuery, Angular, Backbone, you name it.

 

But how do we handle these requests in the backend? More specifically, how should we write our controllers to take full advantage of our preferred framework, Symfony 2 in my case, and create a great UX for our consumers (with errors displayed nicely and effortless) and a great feeling for our colleagues with whom we share the code (by using status codes and promises).

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