woogists

/*
 * goes in theme functions.php or a custom plugin
 *
 * Subject filters: 
 *   woocommerce_email_subject_new_order
 *   woocommerce_email_subject_customer_processing_order
 *   woocommerce_email_subject_customer_completed_order
 *   woocommerce_email_subject_customer_invoice
 *   woocommerce_email_subject_customer_note
 *   woocommerce_email_subject_low_stock

neamtua

<script type="text/javascript">
  /* in order to update info on your checkout page you need to trigger update_checkout function
     so add this in your javascript file for your theme or plugin
  */
  
  jQuery('body').trigger('update_checkout');
  
  /* what this does is update the order review table but what it doesn't do is update shipping costs;
     the calculate_shipping function of your shipping class will not be called again;
     so if you were like me and you made a shipping method plugin and you had to change costs based on payment method then