wpmu_signup_user_notification_email
Filter Hook: Filters the content of the notification email for new user sign-up.
Source: wp-includes/ms-functions.php:1097
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_signup_user_notification_subject
Filter Hook: Filters the subject of the notification email of new user signup.
Source: wp-includes/ms-functions.php:1121
newblogname
Filter Hook: Filters the new site name during registration.
Source: wp-includes/ms-functions.php:690
wpmu_activate_signup()
Function: Activates a signup.
Source: wp-includes/ms-functions.php:1158
wpmu_validate_blog_signup
Filter Hook: Filters site details and error messages following registration.
Source: wp-includes/ms-functions.php:764
wpmu_activate_user
Action Hook: Fires immediately after a new user is activated.
Source: wp-includes/ms-functions.php:1215
wpmu_signup_blog()
Function: Records site signup information for future activation.
Source: wp-includes/ms-functions.php:781
wpmu_activate_blog
Action Hook: Fires immediately after a site is activated.
Source: wp-includes/ms-functions.php:1267
add_user_to_blog()
Function: Adds a user to a blog, along with specifying the user’s role.
Source: wp-includes/ms-functions.php:152