How to set product custom options value in Order?

Question

I am getting here product custom option value. Here is my code.

$orderId = 100017234;
$order = Mage::getModel('sales/order')->loadByIncrementId($orderId);
$items = $order->getAllVisibleItems();
foreach ($items as $item)
{
  $productOptions = $item->getProductOptions();
  foreach ($productOptions['options'] as $key => $value)
  {
    echo $value['value']; // HOW CAN I SET THIS VALUE ??
  }
}

Can anyone help to set this value.

Answer 1

try the below code :

orderId = 100017234;
$order = Mage::getModel('sales/order')->loadByIncrementId($orderId);
$items = $order->getAllVisibleItems();
foreach ($items as $item)
{
    $productOptions = $item->getProductOptions();
    foreach ($productOptions['options'] as $key => $value)
    {
        $productOptions['your_custom_option'] = $yourCustomValue;
        $item->setProductOptions($productOptions);
    }
}