zendframework/zf2 — pull request #1807 by prolic (2012-07-09 08:58:04+00:00)
Title: Move is_subclass_of code to Zend\Stdlib

@see https://bugs.php.net/bug.php?id=53727

This code is used to determine the subclass of a given class. Used in Zend\Di, Zend\Form,
Zend\InfoCard, Zend\Loader, Zend\Mvc, Zend\ServiceManager and Zend\XmlRpc