Using WordPress ‘get_comment()’ PHP function
Retrieves comment data given a comment ID or comment object.
WordPress
Using WordPress ‘get_children()’ PHP function
The `get_children()` function in WordPress is used to retrieve all children of a post parent ID, including pages, posts, and attachments
Using WordPress ‘get_category_template()’ PHP function
Retrieves path of category template in current or parent template.
Using WordPress ‘get_category_children()’ PHP function
Retrieve category children list separated before and after the term IDs.