Filters the message body of the new site activation email sent to the network administrator.
$msgstring$blog_idint|stringwp-includes/ms-functions.php:1471newblog_notify_siteadmin()<?php * @since MU (3.0.0) * @since 5.4.0 The `$blog_id` parameter was added. * * @param string $msg Email body. * @param int|string $blog_id The new site's ID as an integer or numeric string. */ $msg = apply_filters( 'newblog_notify_siteadmin', $msg, $blog_id ); /* translators: New site notification email subject. %s: New site URL. */ wp_mail( $email, sprintf( __( 'New Site Registration: %s' ), $siteurl ), $msg ); return true;}Introduced in 5.4.0. Unchanged from 6.7.7 through 7.1.0.
Signature, return type and hooks compared across 5 parsed releases.