wpmu_new_user WordPress Action Hook
The wpmu_new_user hook is used to create a new user account when a user signs up for a WordPress Multisite network. This hook is fired when a user completes the signup process and their account is created.
do_action( 'wpmu_new_user',  int $user_id  ) #
Fires immediately after a new user is created.
Parameters
- $user_id
 (int)User ID.
More Information
This hook will get triggered when either a user self-registers or a Super Admin creates a new user on a Multisite. Use this hook for events that should affect all new users on a Multisite; otherwise, use ‘user_register‘.
Source
Changelog
| Version | Description | 
|---|---|
| MU (3.0.0) | Introduced. |