add xml feed support

.gitignore

@@ -1,2 +1,3 @@
 .vercel
-vendor
+vendor
+score.xml

xml.php

@@ -0,0 +1,45 @@
+<?php
+
+header('X-Frame-Options: DENY');
+header('X-XSS-Protection: 1; mode=block');
+header('X-Content-Type-Options: nosniff');
+header('Strict-Transport-Security: max-age=63072000');
+header('Content-type:application/json; charset=utf-8');
+header('Access-Control-Allow-Origin: *');
+header('Access-Control-Allow-Methods: GET');
+header('Access-Control-Allow-Headers: Access-Control-Allow-Headers,Content-Type,Access-Control-Allow-Methods, Authorization, X-Requested-With');
+header('X-Robots-Tag: noindex, nofollow', true);
+
+// Convert JSON data to XML - https://craftytechie.com/how-to-convert-json-to-xml-in-php/
+
+$JSON = file_get_contents('YOUR JSON API URL');
+$JSON_arr = json_decode($JSON, true);
+
+//print_r($JSON_arr);
+
+$xml = new SimpleXMLElement('<?xml version="1.0" encoding="UTF-8"?><feed xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:content="http://purl.org/rss/1.0/modules/content/" xmlns:atom="http://www.w3.org/2005/Atom" version="2.0"></feed>');
+
+function arraytoXML($json_arr, &$xml)
+{
+    foreach($json_arr as $key => $value)
+    {
+        if(is_int($key))
+        {
+            $key = 'Element'.$key; 
+        }
+        if(is_array($value))
+        {
+            $label = $xml->addChild($key);
+            arrayToXml($value, $label);
+        }
+        else
+        {
+            $xml->addChild($key, htmlspecialchars($value));
+        }
+    }
+}
+
+arraytoXML($JSON_arr, $xml);
+print_r($xml->asXML('score.xml'));
+
+?>