From mediawiki.org
MediaWiki extensions manual
Release status: beta
Implementation User interface
Description Allows admins to add or replace default messages using a global variable
Author(s) Ike Hecht (tosfostalk)
Latest version 0.2 (March 2019)
MediaWiki 1.25+
PHP 5.3+
Database changes No
License GNU General Public License 2.0 or later
  • $wgAmMessages
Quarterly downloads 6 (Ranked 163rd)
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The AddMessages extension allows admins to add or replace default messages using a global variable. This can be set in LocalSettings.php. Other extensions could potentially set this variable or implement similar code in order to add messages. This used to be possible with $wgMessageCache->addMessage() but that feature has been removed. This feature is particularly useful in wikifarms, where it may not be practical to add a particular message to every individual site.


  • Download and place the file(s) in a directory called AddMessages in your extensions/ folder.
  • Add the following code at the bottom of your LocalSettings.php file:
    wfLoadExtension( 'AddMessages' );
    $wgAmMessages = array();
  • Yes Done – Navigate to Special:Version on your wiki to verify that the extension is successfully installed.

Configuration parameters[edit]

An array of message key and value pairs. Will take precedence over existing messages. Example:
$wgAmMessages = array( 'toolbox' => 'My Toolbox' );

See also[edit]