Available from version 1.24.0 (Gerrit change 153277)
Hook to change the language selector available on a page.
Define function:
public static function onLanguageSelector( $out, $cssClassName ) { ... }
Attach hook: In extension.json:
	"Hooks": {
		"LanguageSelector": "MyExtensionHooks::onLanguageSelector"
Called from: File(s): SpecialPageLanguage.php
Interface: LanguageSelectorHook.php

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


  • $out: The output page.
  • $cssClassName: CSS class name of the language selector.