0
votes
1answer
89 views

How to return hook data when multiple parameters are present?

What is the proper way of returning data to a hook when there is more than one parameter present? Example apply_filters('image_downsize', false, $attachment->ID, $size) Attaching a callback ...
0
votes
1answer
266 views

Where is this function's callback getting its arguments from?

This might be better suited to Stack Overflow, thought I'd try here first though. I was walking through this tutorial by Justin Tadlock and encountered the function below being used as the callback ...