Available from version 1.13.0
When a file is undeleted
Define function:
public static function onFileUndeleteComplete( $title, $fileVersions, $user, $reason ) { ... }
Attach hook: In extension.json:
	"Hooks": {
		"FileUndeleteComplete": "MediaWiki\\Extension\\MyExtension\\Hooks::onFileUndeleteComplete"
Called from: File(s): specials/SpecialUndelete.php
Interface: FileUndeleteCompleteHook.php

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

Details edit

  • $title: title object to the file
  • $fileVersions: array of undeleted versions. Empty if all versions were restored
  • $user: user who performed the undeletion
  • $reason: reason