Global variables available in WPMU :
- Object $current_blog
- int blog_id
- int site_id
- string domain
- string path
- datetime registered
- datetime last_updated
- bool public
- bool archived
- bool mature
- bool spam
- bool deleted
- int lang_id
- Object $current_site
- int id
- string domain
- string path
- int blog_id
- string site_name