facebook/facebook-php-sdk-v4 — pull request #107 by dornizar (2014-06-07 22:42:17+00:00)
Title: Update FacebookRequest.php

line 182
some servers don't accept this sugar syntactics
so sdk raise code 191 missing redirect_uri because $params returns empty array instead of the actual parameters for some reason...
so i fixed this sugar syntactics properly.