GA E-commerce PHP tracking code

GA.php

public function getGoogleAnalytics ()
  {
	
	$googleid = Config::getConfig()->getPreference('googleAnalyticsCode');
	
	
	$basketWidget = $this->getWidget('basket');
	$clientData = $this->getClientDataForOrderReview($clientID);
	$orderData = $this->getOrderData($basketWidget,$clientData);
	
	$transID = 999999;
	
	//loop for picking up all ordered items
	foreach($orderData['product'] as $product){
	
			$items .= "_gaq.push(['_addItem',
				'".$transID."',           				// transaction ID - required
				'".$product['id']."',           		// SKU/code - required
				'".$product['name']."',        			// product name
				'".$product['variant']['name'][0]."',   // category or variation
				'".$product['price']."',          		// unit price - required
				'".$product['quantity']."'              // quantity - required
			]);";
	
	}	
	
	$orderTotal = $orderData['totals']['grandTotal'];
	
	$content = "<script type=\"text/javascript\">
						var _gaq = _gaq || [];
			  				_gaq.push(['_setAccount', '".$googleid."']);
			  				_gaq.push(['_trackPageview']);
			  				_gaq.push(['_addtrans,
					  					'1',           									// transaction ID - required
		    							'postalheritage.org.uk',  						// affiliation or store name
									    '".$orderTotal."',       						// total - required
									    '".$orderData['totals']['grandTotalVAT']."',    // tax 
									    '".$orderData['totals']['shipping']."',         // shipping
									    '".$address['billing_city']."',       			// city
									    '".$address['billing_county']."',     			// state or province
									    '".$address['billing_country']."'             	// country
			  						']);
							".$items."					//displays all items from loop
							_gaq.push(['_trackTrans']);	//submit transactionm to Analytics server
 
							(function() {
							    var ga = document.createElement('script'); ga.type = 'text/javascript'; ga.async = true;
							    ga.src = ('https:' == document.location.protocol ? 'https://ssl' : 'http://www') + '.google-analytics.com/ga.js';
							    var s = document.getElementsByTagName('script')[0]; s.parentNode.insertBefore(ga, s);
							  })();
 
					</script>";
 
		return $content;
	}