CC所有电子邮件

 /**
 * WooCommerce Extra Feature
 * --------------------------
 *
 * Add another email recipient to all WooCommerce emails
 *
 */
function woo_cc_all_emails() {
  return 'Bcc: youremail@yourdomain.com' . "rn";
}
add_filter('woocommerce_email_headers', 'woo_cc_all_emails' );

在哪里添加此代码？

将PHP代码放在主题或子主题functions.php文件的底部。