zendframework/zf2 — pull request #6096 by datibbaw (2014-04-07 22:42:48+00:00)
Title: Prevent ArrayObject recursion in 5.6

In PHP 5.6, calling `isset()` on an instance of `ArrayObject` will invoke both `offsetExists()` and `offsetGet()`. Adding an `isset()` inside `offsetGet()` will therefore result in an infinite recursion.

This patch addresses the above issue in a backward compatible manner.