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
Filter Hook: Filters the validated user registration details.
Source: wp-includes/ms-functions.php:584
Filter Hook: Filters whether to bypass the email notification for new user sign-up.
Source: wp-includes/ms-functions.php:1067
Function: Processes new site registrations.
Source: wp-includes/ms-functions.php:621
Filter Hook: Filters the content of the notification email for new user sign-up.
Source: wp-includes/ms-functions.php:1097
Filter Hook: Filters the minimum site name length required when validating a site signup.
Source: wp-includes/ms-functions.php:663
Filter Hook: Filters the subject of the notification email of new user signup.
Source: wp-includes/ms-functions.php:1121
Filter Hook: Filters the new site name during registration.
Source: wp-includes/ms-functions.php:690
Function: Activates a signup.
Source: wp-includes/ms-functions.php:1158
Function: Gets the number of active sites on the installation.
Source: wp-includes/ms-functions.php:115