<?php
$data = [
    "order_id" => null,
    "table_number" => null,
    "order_type" => "dine-in",
    "customer_id" => null,
    "outlet_id" => 1,
    "payment_type_id" => 1,
    "total_amount" => 1.5,
    "vat" => 0.0,
    "items" => [
        [
            "product_id" => 1,
            "quantity" => 1,
            "unit_price" => 1.5,
            "variant_id" => null,
            "vat_percent" => 0,
            "vat_amount" => 0
        ]
    ],
    "redeem_loyalty" => false
];
$ch = curl_init('http://127.0.0.1/api/order.php');
curl_setopt($ch, CURLOPT_POSTFIELDS, json_encode($data));
curl_setopt($ch, CURLOPT_HTTPHEADER, array('Content-Type:application/json'));
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
$result = curl_exec($ch);
echo "Result:\n$result\n";
curl_close($ch);