[Resolved] Display terms from taxonomy B only if has relationship with a taxonomy term A
I’ve googling for a solution for this issue and found nothing: I have some posts from a Custom Post Type (Restaurants) and its taxonomies (‘city’ and ‘cuisine’). Whenever I create a restaurant post, I can set many ‘cuisine’ terms as I want, but ‘city’ is single selected. I’ve also made a custom search using a html dropdown which I can search from ‘restaurants’ posts by filtering from its taxonomy terms.
The search works well but what I really want is populate the second taxonomy (cuisine) only with terms that has some relationship based on the first taxonomy chosen (city). In the first dropdown, if someone choose the city ‘New York’ the second dropdown must display only cuisine terms that has relationship with ‘New York’ city term on restaurant posts. If there’s not a post with ‘brazilian’ cuisine and ‘New York’ city registered, the ‘brazilian’ term must not appear on second dropdown. Of course, the cuisine dropdown doesn’t have to display duplicated terms.
Is that possible? Thanks in advance!
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