Get the current network.
wpmu_welcome_user_notification
Notify a user that their account activation has been successful.
wpmu_welcome_notification
Notify a user that their blog activation has been successful.
domain_exists
Checks whether a site name is already taken.
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newuser_notify_siteadmin
Notifies the network admin that a new user has been activated.
newblog_notify_siteadmin
Notifies the network admin that a new site has been activated.
wpmu_create_blog
Create a site.
wpmu_create_user
Create a user.
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wpmu_activate_signup
Activate a signup.
wpmu_signup_user_notification
Send 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.
wpmu_signup_blog_notification
Send 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.
wpmu_signup_user
Record user signup information for future activation.
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wpmu_signup_blog
Record site signup information for future activation.
wpmu_validate_blog_signup
Processes new site registrations.
wpmu_validate_user_signup
Sanitize and validate data required for a user sign-up.