WordPress at a glance
action is not described

wpmu_new_user action-hook . WP MU

Fires immediately after a new user is created.

Usage

add_action( 'wpmu_new_user', 'action_function_name_3240' );
function action_function_name_3240( $user_id ){
	// action...
}
$user_id(int)
User ID.

Notes

  • Since MU (3.0.0)

Where the hook is called

wpmu_create_user()
wpmu_new_user
wp-includes/ms-functions.php 1154
do_action( 'wpmu_new_user', $user_id );

Where the hook is used (in WP core)

wp-includes/ms-default-filters.php 26
add_action( 'wpmu_new_user', 'newuser_notify_siteadmin' );
wp-includes/ms-default-filters.php 63
add_action( $action, 'wp_maybe_update_network_user_counts', 10, 0 );