Manual:Hooks/RevisionFromEditComplete

Parameters

 * : The that was edited
 * : New revision, instance of
 * : An or . If the edit restores or repeats an earlier revision (such as a rollback or a null revision), the ID of that earlier revision. False otherwise. (Used to be called .) See  for details.
 * : Editing user, instance of
 * : An array of strings . Tags to apply to the edit and recent change. This is empty, and replacement is ignored, in the case of import or page move.

This hook has replaced the deprecated hook.