Lets say, I have 3 taxonomies related to a custom post.
post1 ----> cat1, cat2,cat3
post2 ----> cat1, cat3
Now I can filter them based on categories, but what I want is. if I select cat2 It should filter and show me post2, as it does not contain this cat2.
Note: I am doing it in admin panel, not on front end.
question from:https://stackoverflow.com/questions/65848452/filter-custom-post-types-by-absence-of-category