Hello,
What is the syntax for hiding a (group) field when another field (type='post') is null?
I've tried several different variations like this on my group field:
'hidden' => array('post', '!=', null),
where 'post' is the metabox id of a sibling field. e.g.:
array(
'name' => __('Post'),
'id' => 'post',
'type' => 'post',
'field_type' => 'select_advanced',
'post_type' => array('recipe', 'post'),
'placeholder' => 'Select post',
'desc' => 'A recipe or post that appears in the list.'
),
.
