[[Category:MediaWiki deprecated or obsolete features|]]

Available from version 1.23.0
Allows changing a message key, to customize it before the translation is accessed
Define function:
public static function onMessageCache_get( &$lckey ) { ... }
Attach hook: In extension.json:
	"Hooks": {
		"MessageCache::get": "MyExtensionHooks::onMessageCacheget"
Called from: File(s): cache/MessageCache.php
Interface: MessageCache::getHook.php

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


Both the input and output keys must have an initial lowercase character. No spaces can be used in the keys; any spaces must be converted to underscores.

  • &$lckey - Message key to check and optionally customize

See also[edit]