[General Snippets] Notify admin when a new customer account is created and user meta data is saved

wc-new-account-notify-admin.php

<?php
/**
 * Notify admin when a new customer account is created and user meta data is saved
 * So, you can show user meta data like 'billing_phone' in the email
 */

add_action( 'woocommerce_checkout_update_user_meta', 'woocommerce_created_customer_admin_notification' );

function woocommerce_created_customer_admin_notification( $customer_id ) {
    wp_send_new_user_notifications( $customer_id, 'admin' );
}