Manual:$wgMimeTypeFile/en

Details
Sets the MIME type definition file, which maps MIME types to file extensions.

A default git file|project=mediawiki/core|branch=master|file=includes/libs/mime/MimeMap.php file is distributed with MediaWiki.

Examples:

$wgMimeTypeFile = "/etc/mime.types"; $wgMimeTypeFile = null; // use a limited set of built-in defaults only