This filter allows control over Breadcrumb NavXT Paths’ check of whether or not a term belong to the post that the term hierarchy is being generated for. This filter was introduced in 1.7.0. It receives four parameters:
- $term_is_a_post_term– (boolean)(required) Whether or not the referrer term is a term the post has
- $ref_term – (WP_Term)(optional) The referrer term
- $post_id – (int)(optional) The ID of the post
- $post_type – (string)(optional) The name of the post type of the post