WikiFile::getThumbMime PHP Method

Returns the MIME type of this file's thumbnail, or null if property not available.

public getThumbMime ( ) : string
return	string	The MIME type of this file's thumbnail, or null if unavailable

    public function getThumbMime()
    {
        return isset($this->info['thumbmime']) ? $this->info['thumbmime'] : null;
    }

WikiFile