Function: Gets a value that has been cached using an incremented key.

Function: Determine which items from a list do not have cached values.

Function: Clear the directory_pages cache when the bp-pages option is updated.

Function: Clear the root_blog_options cache when any of its options are updated.

Function: Clear member count caches and transients.

Function: Clear the directory_pages cache when one of the pages is updated.

Function: Clear all cached objects for a user, or those that a user is part of.

Function: Prune the WP Super Cache.