Filters the message body of the new user activation email sent to the network administrator.
$msgstring$userWP_Userwp-includes/ms-functions.php:1527newuser_notify_siteadmin() * * @since MU (3.0.0) * * @param string $msg Email body. * @param WP_User $user WP_User instance of the new user. */ $msg = apply_filters( 'newuser_notify_siteadmin', $msg, $user ); /* translators: New user notification email subject. %s: User login. */ wp_mail( $email, sprintf( __( 'New User Registration: %s' ), $user->user_login ), $msg ); return true;}Introduced in MU (3.0.0). Unchanged from 6.7.7 through 7.1.0.
Signature, return type and hooks compared across 5 parsed releases.