If you want to offer an ATOM feed for your attachments you should pass a GUID to wp_insert_attachment()
or add a filter for 'get_the_guid'
that handles empty values. In most (all?) other cases I wouldn’t care about it.
If you want to offer an ATOM feed for your attachments you should pass a GUID to wp_insert_attachment()
or add a filter for 'get_the_guid'
that handles empty values. In most (all?) other cases I wouldn’t care about it.