Available from version 1.35.0 (Gerrit change 605670)
Use this hook to override or extend the revision tools available from the page history view, i.e. undo, rollback, etc.
Define function:
public static function onHistoryTools( MediaWiki\Revision\RevisionRecord $currentRevision, array &$links, ?MediaWiki\Revision\RevisionRecord $prevRevision, MediaWiki\User\UserIdentity $userIdentity ) { ... }
Attach hook: In extension.json:
	"Hooks": {
		"HistoryTools": "MyExtensionHooks::onHistoryTools"
Called from: File(s): actions/pagers/HistoryPager.php
Function(s): historyLine
Interface: HistoryToolsHook.php

For more information about attaching hooks, see Manual:Hooks .
For examples of extensions using this hook, see Category:HistoryTools extensions.


  • $newRevision: Current revision
  • &$links: Array of string HTML links
  • $prevRevision: Previous revision (may be null)
  • $userIdentity: Current user