workshop_attendee_info($id)

gistfile1.txt

// This is all I have so far. I can cycle through the items of the order
// and pick out the id's of products that ARE tickets, but I need to 
// get the event ID from the ticket item somehow so I can display event info


function workshop_attendee_info($id)
{
  $order = new WC_Order($id);
  $items = $order->get_items();
  $tickets = array();

  $info = "";

  foreach ( $items as $item_id => $item )
  {
    $product_id = $item['product_id'];
    $product = get_product($product_id);
    $terms = wp_get_post_terms( $product_id, 'product_cat' );
    $categories = [];
    if(!is_wp_error($terms))
    {
      foreach ( $terms as $term )
      {
        $categories[] = $term->slug;
      }
      if ( in_array( 'ti', $categories ) )
      {
        // $tickets[] = new_ticket_object();
      }
    }
  }
  if(count($tickets) > 0)
  {
    $info = "<tr><td valign='top' width='100%' colspan='2'><h3>Workshop Attendees</h3>";

    // Loop through tickets, adding needed meta to $info

    $info .= "</td></tr>";
  }
  return $info;
}