Filters a specific transient before its value is set.

Filters the value of an existing network option before it is retrieved.

Filters the value of an existing site transient before it is retrieved.

Filters the value of an existing transient before it is retrieved.

Filters an option before its value is (maybe) serialized and updated.

Filters a specific option before its value is (maybe) serialized and updated.

Filters a specific network option before its value is updated.

Fires immediately before the setting is registered but after its filters are in place.

Filters the registration arguments when registering a setting.

Fires after the value for a specific site transient has been set.