zendframework/zf2 — pull request #5926 by fabiocarneiro (2014-03-06 15:08:58+00:00)
Title: Fix for missing required option for CollectionInputFilter

Since the CollectionInputFilter class has a $isRequired option defaulted to false, we need to have a required index in the factory array, so we can force validation on that element. Otherwise, it will always ignore the collection and return valid.