zendframework/zf2 — pull request #5525 by jhonmike (2013-11-22 19:58:33+00:00)
Title: Update Http.php

Simply for the reason that within the fieltset $request->getFiles()->toArray(); comes from a messy way and we could edit the files by sending the same files correctly, or perhaps a setFile() method like, excuse my bad english

I had the same problem that is described in this link
http://stackoverflow.com/questions/18473407/zf2-form-collection-fieldset-with-files