Hello Friends ,

You know by default magento allow all guest or customer to give review on all products. but for my client requirement to give review on only purchased products i have created small code. here I’m going to share with you all.you can implement this code on view.php of  theme file.

Here is code

<?php

$purcashed_products_id[] = array();

if (Mage::getSingleton(‘customer/session’)->isLoggedIn()) {

$orders= Mage::getModel(‘sales/order’)->getCollection()->addAttributeToFilter(‘customer_id’,23);
foreach($orders as $eachOrder){
$order = Mage::getModel(“sales/order”)->load($eachOrder->getId());

$items = $order->getAllVisibleItems();
foreach($items as $item):
$purcashed_products_id[] =  $item->getProductId();
endforeach;
}
}

if (in_array($Current_product_id,$purcashed_products_id)) {?>
<?php echo $this->getChildHtml(‘product_reviews’); ?>
<?php     }
?>