3rd Party WordPress CORS

wp_cors.php

<?php
$WPSite = "https://WordPressSite.com"; // CHANGE THIS

// Make CORS accessible
header("Access-Control-Allow-Origin: *");
header("Content-Type: application/json; charset=UTF-8");
error_reporting(E_ALL);

// Pull data via Curl
function GetURLData($url) {
    $ch = curl_init();
    curl_setopt($ch, CURLOPT_URL, $url);
    curl_setopt($ch, CURLOPT_RETURNTRANSFER, TRUE);
    curl_setopt($ch, CURLOPT_FOLLOWLOCATION, true);
    $head = curl_exec($ch);
    curl_close($ch);
    return $head;
}

// Page navigation
$page = 1;
if (isset($_GET['page'])) 
    $page = $_GET['page'];

// Convert XML to JSON
function XMLtoJSON($url) {
    $fileContents = GetURLData($url);
    $xml = simplexml_load_string($fileContents);
    $json = json_encode($xml);
    return $json;
}

// WP Search
if (isset($_GET['search'])) {
    $safesearch = urlencode($_GET['search']);
    print_r(XMLtoJSON($WPSite."/search/$safesearch/page/".$page."?feed=rss"));
} else { 
    if (isset($_GET['page']))
        print_r(XMLtoJSON($WPSite."/feed/?paged=".$page));
    else
        print_r(XMLtoJSON($WPSite."/feed/"));
}
?>