<?php
// ฟังก์ชันสำหรับส่งคืนค่าเป็น JSON
function jsonResponse($success, $message, $data = [], $statusCode = 200) {
    http_response_code($statusCode);
    header('Content-Type: application/json');
    echo json_encode([
        'success' => $success,
        'message' => $message,
        'data' => $data
    ]);
    exit();
}
?>