http://www.symfony-project.org/forum/index.php?t=msg&th=5683
If I create a general purpose class for use in my symfony application, is there a best place to put it?
If you want the classes to be available only to particular app place them in:
yourproject/apps/yourapp/lib/
If they should be available to all apps:
yourproject/lib/
documented on: 23 March 2007, pezetgee