In some instances this error is cropping up when trying to post comments to facebook

Warning: array_shift() expects parameter 1 to be array, null given in (My server's location).com/html/wp-content/plugins/social/lib/social/service/facebook.php on line 114

This looks to be caused by the php count() function returning 1 on un_countable_ values, so since we are not sure of the exact type, we need to add a is_array() check to the condition.

http://us2.php.net/manual/en/function.count.php

0b8344d

Currently tracking this fix in feature/array-shift-error