Filters whether to bypass the welcome email sent to the site administrator after site activation.

Returning false disables the welcome email.

$blog_id int|false

Site ID, or false to prevent the email from sending.

$user_id int

User ID of the site administrator.

$password string

User password, or "N/A" if the user account is not new.

$title string

Site title.

$meta array

Signup meta data. By default, contains the requested privacy setting and lang_id.

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

if ( ! apply_filters( 'wpmu_welcome_notification', $blog_id, $user_id, $password, $title, $meta ) ) {