This is filter is used internally, to trigger an email to an administrator when a new (multisite) user requests access.
Knowledgebase
b3_reset_to_default()
This is a hook, which is used internally. It triggers the "reset to default" action.
b3_verify_filter_input()
This is a hook which is used (internally) to 'activate' filter validation.
b3_redirect()
A hook to redirect users because they're already logged in.
b3_register_form()
This is the main hook of the registration form. It's used to hook all other fields to.
b3_approve_user()
This hook is triggered when a new user is approved by an administrator.
b3_add_site_fields()
This is the hook we use to add any registration fields for "site info" for multisite registrations.
b3_add_action_links()
This is the hook we use to add action links to the login, registration and lost password form.
b3_wpmu_activate_user_blog_message()
With this filter you can override the content of the email sent to a new user after he/she has registered for a new user and site.
b3_welcome_user_message_manual()
With this filter you can override the email content of the email which is sent to a user when he/she is manually added.
b3_notification_sender_name()
With this filter you can override the name of the notifications sender in emails.
b3_new_wpmu_user_subject_admin()
With this filter you can override the subject of the email sent to administrator(s) when a new (multisite) user registers.
b3_new_wpmu_user_message_admin()
With this filter you can override the content of the email sent to the administrator(s) when a new (multisite) user registers.
b3_new_site_created_message()
With this filter you can override the default "New site created" email message.
b3_wpmu_activate_user_blog_subject()
With this filter you can override the subject of the email sent to a new user after he/she has registered for a new user and site.