php - Pinning facebook page post to the top of the wall -

on facebook pages admin can pin post top of wall. want through facebook php sdk. i've read https://stackoverflow.com/a/21550302/1784062 tried following code isn't pinning post top of wall.

$response = (new facebookrequest(         $session,         "post",         "/".$pageid."/feed",         array(                 "access_token"      => $page_token,                 "message"           => $message,                 "time_visibility"   => "starred"         ) ))->execute()->getgraphobject(); 

edit: "timeline_visibility" => "starred" don't work.