CODE EXAMPLE FOR PHP

woocommerce order status

<select id="order_status" name="order_status" >
  <option value="wc-pending">Pending payment</option>
  <option value="wc-processing">Processing</option>
  <option value="wc-on-hold" selected="selected">On hold</option>
  <option value="wc-completed">Completed</option>
  <option value="wc-cancelled">Cancelled</option>
  <option value="wc-refunded">Refunded</option>
  <option value="wc-failed">Failed</option>
</select>