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_validate_blog_signup
Filter Hook: Filters site details and error messages following registration.
Source: wp-includes/ms-functions.php:764
wpmu_create_blog()
Function: Creates a site.
Source: wp-includes/ms-functions.php:1361
wpmu_signup_blog()
Function: Records site signup information for future activation.
Source: wp-includes/ms-functions.php:781
wpmu_new_blog
Action Hook (deprecated): Fires immediately after a new site is created.
Source: wp-includes/ms-site.php:135
wpmu_signup_user()
Function: Records user signup information for future activation.
Source: wp-includes/ms-functions.php:847
newblog_notify_siteadmin()
Function: Notifies the network admin that a new site has been activated.
Source: wp-includes/ms-functions.php:1421
wpmu_signup_blog_notification()
Function: Sends a confirmation request email to a user when they sign up for a new site. The new site will not become active until the confirmation link is clicked.
Source: wp-includes/ms-functions.php:921
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