[development] Processing an image when a node is saved (D7)
steve at yelvington.com
Sun Feb 6 02:24:29 UTC 2011
I have a content type with an image field. I want to pull some metadata
from the image file when the node is created or updated. I thought this
would be pretty straightforward, but I'm baffled by some things that are
going on in D7.
I thought I'd implement hook_node_presave(). Apparently the image file
isn't properly known by $node at that point. Krumo shows
field_image['und'] but none of its child elements have useful
information. And I have no idea what 'und' is all about.
I added node_load() to see if that would help. On an existing node, it
makes a difference. Krumo shows:
More information about the development