Loads and caches all autoloaded options, if available or all options.

Loads and caches certain often requested site options if is_multisite() and a persistent cache is not being used.

Protects WordPress special option from being modified.

Private. Sets all user interface settings.

Saves and restores user interface settings stored in a cookie.

Fires before an option is added.

Fires after a specific option has been added.

Fires after a network option has been successfully added.

Fires after a specific network option has been successfully added.

Fires after an option has been added.