Operator 'order-details' is called when reviewing an order ???
@param $op
'order-details'
@param $arg1
current order being reviewed
@return
The appropriate text and or form
In the example the delivery date can be changed.
<?php
case 'order-details':
if (variable_get('uc_cod_delivery_date', FALSE)) {
$details .= uc_strip_form(drupal_get_form('uc_payment_method_cod_form', $arg1));
}
return $details;
?>