near-earth-objects.php

<?php
// enter your RCA ID here
define('RCA_ID', 'ex4mp13-ex4mp13-ex4mp13-ex4mp13');

$qs = http_build_query([
	'start_date'=>date('Y-m-d'),
	'end_date'=>date('Y-m-d'),
	'api_key'=>'DEMO_KEY'
]);

$data = file_get_contents("https://api.nasa.gov/neo/rest/v1/feed?$qs");
$objNeos = json_decode($data);

$potentiallyHazardousAsteroidCount = 0;
$arrMissDistance = [];
foreach ($objNeos->near_earth_objects as $d=>$arrNeos) {
	foreach ($arrNeos as $neo) {
		//keep count of all potentially hazardous asteroids
		if ($neo->is_potentially_hazardous_asteroid === true) {
			$potentiallyHazardousAsteroidCount++;
		}
		//find the closest asteroids
		$arrMissDistance[] = (int) $neo->close_approach_data[0]->miss_distance->miles;
	}
}

$payload = [
	'id'=>RCA_ID,
	'pha'=>$potentiallyHazardousAsteroidCount,
	'closest'=>min($arrMissDistance)
];

$ch = curl_init('https://results.rapidspike.com/rca/');
curl_setopt($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);

echo "RCA API response - $result", PHP_EOL;