Manual:$mediaWiki

Details
MediaWiki is the to-be base class for this whole project.

The MediaWiki class object, $mediaWiki, is initialized in the main site access script, .

The MediaWiki class is responsible for initializing the  and  objects, as well as executing the &action= arguments from the URL.

This variable is only set when the index.php script is executed, it does not exist when executing other entry scripts, like api.php.