domain_exists()
Function: Checks whether a site name is already taken.
Source: wp-includes/ms-functions.php:1548
insert_blog()
Function: Store basic site info in the blogs table.
Source: wp-includes/ms-deprecated.php:572
wpmu_signup_blog_notification
Filter Hook: Filters whether to bypass the new site email notification.
Source: wp-includes/ms-functions.php:935
wpmu_signup_blog_notification_email
Filter Hook: Filters the message content of the new blog notification email.
Source: wp-includes/ms-functions.php:977
wpmu_signup_blog_notification_subject
Filter Hook: Filters the subject of the new blog notification email.
Source: wp-includes/ms-functions.php:1009
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
wpmu_signup_user_notification
Filter Hook: Filters whether to bypass the email notification for new user sign-up.
Source: wp-includes/ms-functions.php:1067
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
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
wpmu_activate_signup()
Function: Activates a signup.
Source: wp-includes/ms-functions.php:1158