require_once dirname(__FILE__).'/../phabricator/scripts/__init_script__.php';
$user = new PhabricatorUser();
$q = new DiffusionCommitQuery();
$q->setViewer($user);
var_dump($q->canViewerUseQueryApplication()) ;
// https://secure.phabricator.com/diffusion/P/browse/master/src/applications/feed/story/PhabricatorFeedStoryDifferential.php;62794e4494e0180f2fc3e62e7840099521f8ae5c$102