sonata-project/SonataAdminBundle — pull request #2292 by netounet (2014-08-13 07:33:59+00:00)
Title: Fix _per_page management in datagrid

Find a bug when filtering results the test isset($this->values['_per_page']['value']) return true when '_per_page' => 25 (Using php 5.3.28)
This PR solve the problem