Basics

Users of WordPressMU have long been aware of a folder within wp-content called mu-plugins. Obvious conclusions were drawn because of the name and where it was, but this actually stands for "must-use" plugins. Why? Because any code (plugin) placed in the folder is run automagically,...

One of the hardest, and ultimately neato-cool features of MU is the way it creates user's blogs. On installation, you are given the choice of subdomains (username.domain.tld) or subdirectories (domain.tld/username/). Either way, the site admin does not have to create subdomain or subdirectories for users. They...