Using Doctrine 2 and Repositories, what would be the purpose of a Service Layer?

Question

I\'m designing my application, and I\'m using Doctrine 2 and Zend Framework.

Currently, I\'ve wrote all my entities, I was going to start to write Repositories, and I t

Answer 1

I’ve been looking for proper (service layer, repository with doctrine 2 and ZF) implementation example long time.
This example best which i found, should help you in your work
https://github.com/epixa/Forum/tree/master/application/user/src

One more thing, http://martinfowler.com/eaaCatalog/serviceLayer.html this will help to understand theory part of service layer