I'm trying to revise an existing WP plugin BU Versions to accept different custom meta field values from items I've set-up using the Advanced Custom Fields (ACF) plugin. BU Versions will copy over ...
I am trying to create a custom field for a custom taxonomy. update_post_meta works great with posts. Taxonomies are not posts so this won't work. <?php update_post_meta($post_id, $meta_key, ...