Filters whether to display the advanced plugins list table.

Filters the default site sign-up variables.

Filters the default site creation variables for the site sign-up form.

Fires after the site sign-up form.

Filters the new site meta variables.

Fires at the end of the new user account registration form.

Fires when the site or user sign-up process is complete.

Fires within the head section of the site sign-up screen.

Filters the default user variables used on the user sign-up form.

Filters reserved site names on a sub-directory Multisite installation.