// Redirect to avoid resubmission header('Location: create.php'); exit;
if ($title === '') echo "Title required."; exit; simple work order management system nulled php top
if ($_SERVER['REQUEST_METHOD'] !== 'POST') header('Location: create.php'); exit; $id = (int)($_POST['id'] ?? 0); $status = $_POST['status'] ?? 'open'; $allowed = ['open','in_progress','completed','closed']; if ($id <= 0 || !in_array($status, $allowed, true)) header('Location: create.php'); exit; // Redirect to avoid resubmission header('Location: create
