I am using this hook woocommerce_email_subject_customer_procesing_order to change email subject but it is not working. I have tried other hooks to update subject for order completion woocommerce_email_subject_customer_completed_order or on hold woocommerce_email_subject_customer_on_hold_order and these hooks are working fine. Can anybody guide me about this issue. I do not have a lot of woo commerce experience and need some help to fix this issue. Here is my code

add_filter('woocommerce_email_subject_customer_procesing_order', 'change_admin_email_subjects', 999, 2 );
  function change_admin_email_subjects( $subject, $order ) {
  global $woocommerce;
  $subject = 'Your Job Posting Receipt';
  return $subject;

I know we can change subject via woo commerce settings but I have some conditions for this update so that is why I am trying to do this using woo commerce hook.

  • try this add_filter(' woocommerce_email_subject_customer_processing_order', 'change_admin_email_subject', 1, 2); function change_admin_email_subject( $subject, $order ) { global $woocommerce; $blogname = wp_specialchars_decode(get_option('blogname'), ENT_QUOTES); $subject = sprintf( '[%s] New Customer Order (# %s) from Name %s %s', $blogname, $order->id, $order->billing_first_name, $order->billing_last_name ); return $subject; } – vikrant zilpe Dec 4 '18 at 12:25

The email template variables can only be used in the body of the emails. If you want to change the email titles/subject lines then you would need to use a the corresponding filter and add some custom code to a child themes functions.php file or via a custom plugin.

The WooCommerce documentation has a snippet for doing this: https://docs.woocommerce.com/document/change-email-subject-lines/

As an example for the processing order you would use:

add_filter( 'woocommerce_email_subject_customer_processing_order', 'change_processing_email_subject', 1, 2 );

function change_processing_email_subject( $subject, $order ) {
global $woocommerce;

$blogname = wp_specialchars_decode(get_option('blogname'), ENT_QUOTES);

$subject = sprintf( 'Hi %s, thanks for your order on %s', $order- 
>billing_first_name, $blogname );                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        
return $subject;
| improve this answer | |
  • Thank you for your help. I was using same hook but was missing one 's' from processing and that is why it was not working and I copied this from this page. stackoverflow.com/questions/51214789/… – wpdd Dec 4 '18 at 16:38

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