Available from version 1.7.0
Used to modify the sitenotice before it has been created from $wgSiteNotice. Return false to suppress or modify default site notice.
Define function:
public static function onSiteNoticeBefore( &$siteNotice, $skin ) { ... }
Attach hook: In extension.json:
	"Hooks": {
		"SiteNoticeBefore": "MediaWiki\\Extension\\MyExtension\\Hooks::onSiteNoticeBefore"
Called from: File(s): Skin.php
Interface: SiteNoticeBeforeHook.php

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

Details edit

  • $siteNotice: Empty string, ignored if the hook returns true.
  • $skin: Skin object MW 1.18+

If the function returns false, no attempt will be done to load the sitenotice from interface messages or $wgSiteNotice , and the contents of $siteNotice will be used instead. If the function returns true, there will be no change in behavior of the sitenotice.

Example edit

If the database is read only ($wgReadOnly ) and there's a sitenotice in MediaWiki:Sitenotice you want to override, you can use this hook for that purpose:

$wgHooks['SiteNoticeBefore'][] = function ( &$siteNotice, $skin ) {
	$siteNotice = "There's ongoing maintenance to the site. We'll open editing shortly.";
	return false;

See also edit