Class Order Just Pulsa

<?php
$key = "123"; // API Key anda.
$service = "123"; // ID Layanan.
$phone = "0853123456"; // No. Telp yang ditargetkan pesanan.
$postdata = "key=$key&action=order&service=$service&phone=$phone";

$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, "https://arifahpedia.com/api/pulsa.php");
curl_setopt($ch, CURLOPT_POST, 1);
curl_setopt($ch, CURLOPT_POSTFIELDS, $postdata);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
$chresult = curl_exec($ch);
curl_close($ch);
$json_result = json_decode($chresult, true);

if ($json_result['error'] == TRUE) {
    echo "ORDER GAGAL, PESAN : ".$json_result['error'];
} else {
    echo "ORDER SUKSES, ORDER ID : ".$json_result['order_id'];
}
?>