Available from version 1.8.0
Allows extensions to modify the displaying of links to other revisions when browsing through revisions.
Define function:
public static function onDisplayOldSubtitle( $article, $oldid ) { ... }
Attach hook:

In extension.json:

	"Hooks": {
		"DisplayOldSubtitle": "MyExtensionHooks::onDisplayOldSubtitle"

For MediaWiki ≤1.25:

$wgHooks['DisplayOldSubtitle'][] = 'MyExtensionHooks::onDisplayOldSubtitle';
Called from:File(s): page/Article.php

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


  • $article - The article object.
  • $oldid - The id of the revision to show.