wpmu_validate_user_signup
Filter Hook: Filters the validated user registration details.
Source: wp-includes/ms-functions.php:584
wpmu_new_user
Action Hook: Fires immediately after a new user is created.
Source: wp-includes/ms-functions.php:1329
wpmu_signup_user_notification()
Function: Sends a confirmation request email to a user when they sign up for a new user account (without signing up for a site at the same time). The user account will not become active until the confirmation link is clicked.
Source: wp-includes/ms-functions.php:1056
minimum_site_name_length
Filter Hook: Filters the minimum site name length required when validating a site signup.
Source: wp-includes/ms-functions.php:663
wpmu_new_blog
Action Hook (deprecated): Fires immediately after a new site is created.
Source: wp-includes/ms-site.php:135
wpmu_activate_signup()
Function: Activates a signup.
Source: wp-includes/ms-functions.php:1158
newblogname
Filter Hook: Filters the new site name during registration.
Source: wp-includes/ms-functions.php:690
newblog_notify_siteadmin
Filter Hook: Filters the message body of the new site activation email sent to the network administrator.
Source: wp-includes/ms-functions.php:1467
wpmu_create_user()
Function: Creates a user.
Source: wp-includes/ms-functions.php:1310
get_user_count()
Function: Returns the number of active users in your installation.
Source: wp-includes/user.php:1367