The `get_categories()` function is a WordPress function that retrieves a list of category objects based on specified parameters, such as order by, order, number of posts, and more
The `get_boundary_post_rel_link()` function in WordPress retrieves the boundary post relational link, which can be used as a link to the first or last post in the same or excluded categories
The `get_boundary_post()` function in WordPress retrieves the boundary post based on parameters such as whether it should be in the same taxonomy term or exclude certain terms, and whether to…