Facebook Conversion Pixel

<!-- Facebook Pixel Code -->
<script type='text/javascript'>
!function(f,b,e,v,n,t,s){if(f.fbq)return;n=f.fbq=function(){n.callMethod?
n.callMethod.apply(n,arguments):n.queue.push(arguments)};if(!f._fbq)f._fbq=n;
n.push=n;n.loaded=!0;n.version='2.0';n.queue=[];t=b.createElement(e);t.async=!0;
t.src=v;s=b.getElementsByTagName(e)[0];s.parentNode.insertBefore(t,s)}(window,
document,'script','https://connect.facebook.net/en_US/fbevents.js');
fbq('init', 'xxxxxxxxxxxx', {}, {agent: 'pljoomla'});
fbq('track', 'Purchase', {value:'0.00', currency:' TWD '});
</script>
<noscript>
<img height="1" width="1" style="display:none" alt="fbpx"
src="https://www.facebook.com/tr?id=xxxxxxxxxx&ev=PageView&noscript=1"/>
</noscript>
<!-- End Facebook Pixel Code -->

<?php
if(!defined('DS'))
 define('DS', DIRECTORY_SEPARATOR); if(!include_once(rtrim(JPATH_ADMINISTRATOR,DS).DS.'components'.DS.'com_hikashop'.DS.'helpers'.DS.'helper.php')) return true;

$app =JFactory::getApplication();
$order_id = $app->getUserState('com_hikashop.order_id');
$orderClass = hikashop_get('class.order');
$order = $orderClass->get($order_id);
$currencyClass = hikashop_get('class.currency');
$currency_id = intval($order->order_currency_id);
$currency = $currencyClass->getCurrencies($currency_id, $null);
echo "{'value':'".$order->order_full_price."','currency':'".$currency[$currency_id]->currency_code."'}])";
?>