'ArticlePageDataBefore': Before loading data of an article from the database.
&$wikiPage: WikiPage (object) that data will be loaded
&$fields: fields (array) to load from the database
'ArticlePageDataBefore': Before loading data of an article from the database.
&$wikiPage: WikiPage (object) that data will be loaded
&$fields: fields (array) to load from the database