How far away is the moon?

moon.php

<?php
// enter your RCA ID here
$id = 'ex4mp13-ex4mp13-ex4mp13-ex4mp13';

// get the data we need from the API
$data = file_get_contents('http://api.burningsoul.in/moon');
$objMoon = json_decode($data);

// package up the data to send to the RCA monitor
$payload = [
    'id'=>$id,
    'DFCOE'=>$objMoon->DFCOE,
    'DFS'=>$objMoon->DFS
];

// POST the data to the RCA
$ch = curl_init('https://results.rapidspike.com/rca/');
curl_setopt($ch, CURLOPT_CUSTOMREQUEST, 'POST');
curl_setopt($ch, CURLOPT_POSTFIELDS, json_encode($payload));
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
$result = curl_exec($ch);
curl_close($ch);