$links: array, intended to hold the result. Must be an associative array with
category types as keys and arrays of HTML links as values.
+'PageContentLanguage': allows changing the language in which the content of
+a page is written. Defaults to the wiki content language ($wgContLang).
+$title: Title object
+&$pageLang: the page content language (either an object or a language code)
+$wgLang: the user language
+
'PageHistoryBeforeList': When a history page list is about to be constructed.
$article: the article that the history is loading for
* Defaults to $wgContLang, but in certain cases it can be e.g.
* $wgLang (such as special pages, which are in the user language).
*
+ * @since 1.18
* @return object Language
*/
public function getPageLanguage() {