Woocommerce: Send Invoice Straight Away When Payment Successful

One good feature I really want is to send an invoice straight away when payment is successful. At the moment, customers receive an order completion notification email which I find it useless. To send an invoice, you have to login to wp-admin and click on the send invoice button.

We can add some custom code in functions.php in your theme folder to achieve this functionality

/**
 * remove order status completed notification
 * @param  WC_Email $this woocommerce email class
 * @return null
 */
function do_not_send_order_complete_notification($this) {
  remove_action('woocommerce_order_status_completed_notification', array($this,'customer_completed_order'));
  // you can add other stuff you want to do here...
}
add_action('woocommerce_email', 'do_not_send_order_complete_notification');

/**
 * send invoice straight away if payment is successful
 * @param  string $order_id valid payment order id
 * @return null
 */
function send_invoice_upon_payment_successful($order_id) {
  global $woocommerce;
  $order = new WC_Order($order_id);
  $mailer = $woocommerce->mailer();
  $mailer->customer_invoice( $order );
}
add_action('woocommerce_payment_complete', 'send_invoice_upon_payment_successful');

For woocommerce 2.x, the send_invoice_upon_payment_successful function still works, however do_not_send_order_complete_notification function doesn’t. See my 2.x update here

Author: bpeh

Bernard Peh is a great passioner of web technologies and one of the co-founder of Sitecritic.net Website Design and Reviews. He works with experienced web designers and developers everyday, developing and designing commercial websites. He specialises mainly in SEO and PHP programming. View all posts by bpeh