isLoggedIn()) { redirectTo('login.php'); } $currentUser = $auth->getCurrentUser(); $surveyManager = SurveyManager::getInstance(); // Get survey details if editing $surveyId = isset($_GET['id']) ? (int)$_GET['id'] : null; $survey = null; if ($surveyId) { $survey = $surveyManager->getSurveyDetails($surveyId, $_SESSION['user_id']); if (!$survey) { redirectTo('surveys.php'); } } ?>