Translations:Manual:$wgConf/19/en

Since 1.14, a [$pcallback callback] has been introduced to be able to modify the parameters passed to  and related function. It might be used to change parameters when such functions are called after LocalSettings.php (this is the case with CentralAuth). You can define it in. Tht-e callback function will receive the SiteConfiguration object in the first argument and the wiki name in the second one. It has to return an array with the following keys (all optional): They'll be merged with the parameters passed to  and similar functions. If the  and   are filled, the they'll be used to override the default behaviour of.
 * : site's suffix (corresponding to $suffix paramter of  and similar)
 * : site's lang
 * : array of wiki tags (corresponding to $wikiTags parameter)
 * : array of parameters to be replaced (corresponding to $params parameter)