php - Facebook SDK - How to sort feed data by updated_time? -

i using facebook sdk feed data sorted created_time in php.

$user_feed = (new facebookrequest($session, 'get', '/me/feed'))->execute()->getgraphobject(graphuser::classname()); 

does know how sort updated_time ?

as far know not possible have custom sort parameters in graph api. so, want achieve not possible.