Filters whether to send an email to the Multisite network administrator when a new site is created.

Return false to disable sending the email.

$send bool

Whether to send the email.

$site WP_Site

Site object of the new site.

$user WP_User

User object of the administrator of the new site.

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

if ( ! apply_filters( 'send_new_site_email', true, $site, $user ) ) {