May 2013

Unraveling a Field-API mystery (or the journey of field item data)

Roman Zimmermann's picture
Roman Zimmermann

During development of the pgbar module I often ran into Notices for something in $items. This time I said to myself: Let's get this straight once and for all. So I've inserted some debug code into my module to track which field related hook can manipulate data and in which order they are called. You can see the result in the dot-graph at the bottom.