Update the categories cache.

Returns whether a particular user has the specified capability.

Adds appearance submenu items to the “Site Name” menu.

Adds edit comments link with awaiting moderation count bubble.

Provides an edit link for posts and terms.

Prints style and scripts for the admin bar.

Adds the “My Account” submenu items.

Adds the “My Sites/[Site Name]” menu and all submenus.

Adds “Add New” menu.

Renders the admin bar to the page based on the $wp_admin_bar->menu member var.