So! I solve this situation with: wp_set_post_terms. I iterate my posts and for each one wp_set_post_terms make that part. See here: https://developer.wordpress.org/reference/functions/wp_set_post_terms/ Now I have my categories from wp and my customs post with his own categories.
Display category filters for custom post type when category is shared by multiple post types
Find the solution 🙂 Code: if ($moviewp_comments == 1) { add_filter( ‘template_include’, ‘wpse_template_include’ ); function wpse_template_include( $template ) { // Handle taxonomy templates. $taxonomy = get_query_var( ‘taxonomy’ ); if ( is_tax() && $taxonomy ) { $file = get_theme_file_path() . ‘/templates/taxonomy-‘ . $taxonomy . ‘.php’; if ( file_exists( $file ) ) { $template = $file; } … Read more
Define multiple prefixes for custom post type
Retrieve the child terms by having the parent’s information
Filtering posts based on three taxonomies
I would suggest you hand-build the navigation menu using the selected taxonomy terms, not using a script to automatically add them, which is where you would have problems with new terms being added.
Taxonomies and subtaxonomies relations
You can use ACF (Advanced Custom Fields) plugin to do this. Select Taxonomy field and set the field group to appear where you need to. I’m pretty sure the free version of the plugin has this field.
My list of terms of custom taxonomy displays 7 times