http://share.digitss.com/programming-artical/practical-php-patterns-service-layer-1/ The last domain logic pattern we will treat in this series is the Service Layer one. In its simplest form, a Service Layer is a set of service classes that deal with application logic, and that are characterized from being used from different front-ends. Source code, at every level of abstraction, is the representation of data entities and their related behavior, particularly in an ob... Mon, 03 May 2010 14:00:36 CDT en