Daily Archives: 14 September 2014

1 post

Warning: call_user_func_array() expects parameter 1 to be a valid callback…

Warning: call_user_func_array() expects parameter 1 to be a valid callback This is a recurring error when dealing with actions/filter in WordPress. The full warning message is actually : Warning: call_user_func_array() expects parameter 1 to be a valid callback array must have exactly two members¬†in…/wp-includes/plugin.php on line 214   In my […]