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When do you insert a term in WordPress?
If it is not a valid, existing term, it is added and the term_id is given. If the taxonomy is hierarchical, and the ‘parent’ argument is not empty, the term is inserted and the term_id will be given.
When do you get a WP _ Error Object?
Error handling: If $taxonomy does not exist or $term is empty, a WP_Error object will be returned. If the term already exists on the same hierarchical level, or the term slug and name are not unique, a WP_Error object will be returned.
How to check if a WordPress term is invalid?
The ‘term_id_filter’ is evaluated. The term cache is cleaned. Several more actions are fired. An array is returned containing the term_id and term_taxonomy_id. If the ‘slug’ argument is not empty, then it is checked to see if the term is invalid.
What does WP _ get _ post _ terms ( ) do?
(array| WP_Error) Array of WP_Term objects on success or empty array if no terms were found. WP_Error object if $taxonomy doesn’t exist. Introduced.
What does the term Id filter do in WordPress?
The ‘term_id_filter’ is evaluated. The term cache is cleaned. Several more actions are fired. An array is returned containing the term_id and term_taxonomy_id.
How does WP _ set _ object _ terms ( function ) work?
This function does not check if there is a relationship between the object (=post type) and the taxonomy (like post_tag, category or custom taxonomy). Because of that, any existing term will be paired with the object, whether or not there is a connection between the object and the taxonomy (of this particular term)!!
How to get term taxonomy IDs in WordPress?
(array| WP_Error) Term taxonomy IDs of the affected terms or WP_Error on failure. For parameter $terms, integers are interpreted as tag IDs. Some functions may return term_ids as strings which will be interpreted as slugs consisting of numeric characters. (array) An array of the terms ( as term_taxonomy_ids ! ) affected if successful