Manual:Hooks/NormalizeMessageKey

NormalizeMessageKey
Available from version 1.13.0 Allows extensions to change what system message will be displayed on a page
*Define function:	function fnMyHook( &$key, &$useDB, &$langCode, &$transform ) { ... }
*Attach hook:	$wgHooks['NormalizeMessageKey'][] = 'MyExtensionHooks::someExample';
Called from:	GlobalFunctions.php

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

Details

• &$key: (string) The message going to be displayed. Change this to display a different message in its place
• &$useDB: (bool) Whether to query the database to get the message
• &$langCode: (string or bool) If a string, the language code that should be used to get the message, if bool true, uses the content language, if bool false, uses the site's default language
• &$transform: (bool) Whether to expand templates and variables in the message