Get a full blog URL, given a blog ID.

Get a full blog URL, given a blog name.

Retrieves a sites ID given its (subdomain or directory) slug.

Get a list of most recently updated blogs.

Check if a particular blog is archived.

Determines if switch_to_blog() is in effect

Clear the blog details cache.

Restore the current blog, after calling switch_to_blog().

Switch the current blog.

Update the ‘archived’ status of a particular blog.