You will have bugs like this. because you are not sanitizing the title with sanitize_title(). And you are not checking for duplications with wp_unique_term_slug() Bugs tests: Add spaces in the name and see the slug with spaces. After you add the sanitize_title() add term with comma 5,5 add term with space 5 5 results with … Read more
It depends on what kind of type are the values from your $product_terms array. If you have strings there, like term slugs, then you probably want to check if $term->slug exists. If you have objects, then make sure the array is indexed, and not associative. For associative arrays use array_key_exists() instead.
When you create a term for a hierarchical taxonomy, if you don’t specify a parent, its parent ID is set to 0. In other words, it becomes a parent term. Edited with regards to comments: Add specifically each term you wish to add to the post (parent terms aren’t automatically added if their children are). … Read more
I hope I understand this correctly. You can simply just add your post ID’s in an array and then use a foreach loop to loop through the ID’s and checking whether or not they have the term to assign or not, and if not, assign the term to the post $post_ids = [4522, 4524, 4526, … Read more
Because get_the_terms will not always return an array; it will be false if the post has no terms, or a WP_Error if the taxonomy does not exist – always sanity check the result before looping: $terms_slugs = array(); $terms = get_the_terms( $post->id, ‘type’, /* Note: get_the_terms does not take a 3rd argument ==> */ array( … Read more
wp_dropdown_categories() does exactly that. Don’t let the name confuse you, it is not just meant for the built-in taxonomy category. Simply set the taxonomy parameter to the value of your custom taxonomy. Also work through the list of parameters and set as necessary. Just a small note on your code, avoid passing just term IDs … Read more
The characters <, >, &, ” and ‘ (less than, greater than, ampersand, double quote and single quote) are enconded in term names. & becomes &. This is done by passing the term object to sanitize_term() function which applies several filters. By default WordPress applies theses filters: sanitize_text_field(), wp_filter_kses() and _wp_specialchars() (see wp-includes/default-filters.php), this last … Read more
Well if you are referring to what are the query string keys are, it will depend on the taxonomy you are working with, for categories: you are looking for ?cat=cat_id tags: you are looking for ?tag=tag_slug custom taxonomy: it depends on the slug of the tax but it will look like ?taxonomy_slug=item_slug Check the definition … Read more
There are just a couple of things I want to point out here using get_terms No need to put one value into an array, you can simply just add the value as is to the variable To return your terms, you have to actually have posts assigned to them. By default, empty terms are hidden. … Read more
You can try getting all the posts IDs from the first taxonomy $objects = get_posts( array( ‘category’ => ‘history’, ‘numberposts’ => -1, ) ); foreach ($objects as $object) { $objects_ids[] = $object->ID; } Then get the terms from the second taxonomy associated with them: $collections = wp_get_object_terms( $object_ids, ‘collections’ );