I've a set of Posts under custom post type that has a specific custom field (meta_value). This posts are categorized with a simple Common Parent->Child#N relationship.
The question is how to list all categories (similar to
wp_list_categories(): "%Category_Page_URL% (%post_count%)"), considering the fact that I need to get categories that have posts with specific meta_value.
Question can be read as: "Build category list for posts where meta_value =