prepare("INSERT INTO events (user_id, lead_id, title, start_time, end_time) VALUES (?, ?, ?, ?, ?)"); $stmt->execute([$user_id, $lead_id, $title, $start_datetime, $end_datetime]); echo json_encode(['success' => true]); } catch (PDOException $e) { http_response_code(500); echo json_encode(['success' => false, 'message' => 'Database error: ' . $e->getMessage()]); } } else { http_response_code(400); echo json_encode(['success' => false, 'message' => 'Invalid input']); } } else { http_response_code(405); echo json_encode(['success' => false, 'message' => 'Method not allowed']); }