get_all_category_ids
- get_all_category_ids is deprecated since version 4.0.0!
Alternative: get_terms()
get_all_category_ids ( No parameters )
Links:See:Returns:- (int[]) List of all of the category IDs.
Defined at: - Introduced in WordPress: 2.0.0
- Deprecated in WordPress: 4.0.0
Description
Retrieves all category IDs.