Filters whether to bypass the email notification for new user sign-up.

$user_login string

User login name.

$user_email string

User email address.

$key string

Activation key created in wpmu_signup_user() .

$meta array

Signup meta data. Default empty array.

File: wp-includes/ms-functions.php. View all references

if ( ! apply_filters( 'wpmu_signup_user_notification', $user_login, $user_email, $key, $meta ) ) {