Using WordPress ‘populate_roles_230()’ PHP function
The `populate_roles_230()` function in WordPress 2.3 creates and modifies WordPress roles
array
Using WordPress ‘populate_network_meta()’ PHP function
Creates WordPress network meta and sets the default values.
Using WordPress ‘pingback_ping_source_uri()’ PHP function
Default filter attached to pingback_ping_source_uri to validate the pingback’s Source URI.
Using WordPress ‘page_attributes_meta_box()’ PHP function
The `page_attributes_meta_box()` is a WordPress function that allows developers to add page attributes such as title, excerpt, and featured image to a post or set of posts programmatically