问在woocommerce中手动对优惠券应用电子邮件限制的代码

EN

$coupon_code = 'some-code-I-created';
$user = wp_get_current_user();//Get the current user object
$coupon = new WC_Coupon( $coupon_code );//Get the coupon object
$emails = $coupon->get_email_restrictions();//Returns an empty array or array of emails
$emails[] = strtolower($user->billing_email);//Add user's billing email address to the array
$emails = array_filter($emails);//Remove empty values
array_unique($emails);//Remove any duplicate values
$coupon->set_email_restrictions($emails);//Set the coupon's array with the updated array
$coupon->save();//Save the coupon