<!-- REFERSION TRACKING: BEGIN -->
<script>
! function(e, n, t, i, o, c, s, a) {
    e.TrackingSystemObject = "r", (s = n.createElement(t)).async = 1, s.src = "https://cdn.refersion.com/refersion.js", s.onload = function() {
        r.pubKey = "YOUR-PUBLIC-KEY", r.settings.fp_off = !1;
        r.initializeXDLS().then(() => {
            r.launchDefault()
        })
    }, (a = n.getElementsByTagName(t)[0]).parentNode.insertBefore(s, a)
}(window, document, "script");
</script>
<!-- REFERSION TRACKING: END -->

<!-- REFERSION TRACKING: BEGIN -->
<script>
const rfsn = {
    cart: "YOUR-CART-ID",
    id: localStorage.getItem("rfsn_v4_id"),
    url: window.location.href,
    aid: localStorage.getItem("rfsn_v4_aid"),
    cs: localStorage.getItem("rfsn_v4_cs")
};
r.sendCheckoutEvent(rfsn.cart, rfsn.id, rfsn.url, rfsn.aid, rfsn.cs);
</script>
<!-- REFERSION TRACKING: END -->

{
	"cart_id": "DDXqfBngTWuX8N8Asqr2mY3RkmHCXdM7Vz6mdHkjwrEnN5zyRY",
	"order_id": "20150401102883",
	"shipping": 9.99,
	"tax": 0.57,
	"discount": 2.25,
	"discount_code": "HOLIDAY1",
	"currency_code": "USD",
	"customer":{
		"first_name": "John",
		"last_name": "Doe",
		"email": "[email protected]",
		"ip_address": "234.192.4.75"
	},
	"items": [
		{
			"price": 5.50,
			"quantity": 2,
			"sku": "PROD_A",
			"name": "Product A"
		},
		{
			"price": 10.00,
			"quantity": 1,
			"sku": "PROD_B",
			"name": "Product B"
		},
		{
			"price": 15.00,
			"quantity": 3,
			"sku": "PROD_C",
			"name": "Product C"
		}
	]
}

<?php

// The complete data that you are sending
$order_data = array(...); // Omitting data for demonstration

// Convert array into JSON
$json_data = json_encode($order_data);

// The URL that you are posting to
$url = 'https://inbound-webhooks.refersion.com/tracker/orders/paid';

// Start cURL
$curl = curl_init($url);

// Verify that our SSL is active (for added security)
curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, TRUE);

// Send as a POST
curl_setopt($curl, CURLOPT_CUSTOMREQUEST, 'POST');

// The JSON data that you have already compiled
curl_setopt($curl, CURLOPT_POSTFIELDS, $json_data);

// Return the response
curl_setopt($curl, CURLOPT_RETURNTRANSFER, TRUE);

// Set headers to be JSON-friendly
curl_setopt($curl, CURLOPT_HTTPHEADER, array(
    'Content-Type: application/json',
    'Content-Length: ' . strlen($json_data),
    'Refersion-Public-Key: YOUR-PUBLIC-KEY',
    'Refersion-Secret-Key: YOUR-SECRET-KEY')
);

// Seconds (30) before giving up
curl_setopt($curl, CURLOPT_TIMEOUT, 30);
curl_setopt($curl, CURLOPT_CONNECTTIMEOUT, 30);

// Execute post, capture response (if any) and status code
$result = curl_exec($curl);
$status = curl_getinfo($curl, CURLINFO_HTTP_CODE);

// Close connection
curl_close($curl);