WordPress function to get term or post object by id
get_queried_object() will get the currently queried ‘thing’ from the main query as an object. That could be a WP_Post, WP_Term, or WP_Post_Type (for post type archives) object, but I don’t think that’s quite what you’re asking for and wouldn’t be useful in AJAX. Other than that there isn’t a function for exactly what you’re asking … Read more