PHP Decode

<?   
<script> 
// Send transaction data with a pageview if available 
// when the page loads. Otherwise, use an event when the transaction 
// data becomes available. 
dataLayer.push({ 
  'ecommerce': { 
    'purchase': { 
      'actionField': { 
        'id': '{$trans['id']}',                         // Transaction ID. Required for purchases and refunds. 
        'affiliation': '{$trans['affiliation']}', 
        'revenue': '{$trans['revenue']}',                     // Total transaction value (incl. tax and shipping) 
        'tax':'{$trans['tax']}', 
        'shipping': '{$trans['shipping']}', 
           }, 
      'products': [{                            // List of productFieldObjects. 
        'name': '{$item['name']}',     // Name or ID is required. 
        'id': '{$trans['id']}', 
        'price': '{$item['price']}', 
        'category': '{$item['category']}', 
        'sku': '{$item['sku']}', 
        'quantity': '{$item['quantity']}', 
       }, 
    } 
  } 
}); 
</script> 
 ?>