getConnection(); $response = array('success' => false, 'message' => '', 'data' => null); try { $query = "SELECT * FROM splitter_types ORDER BY type, ratio"; $stmt = $db->prepare($query); $stmt->execute(); $splitters = $stmt->fetchAll(PDO::FETCH_ASSOC); $response['success'] = true; $response['data'] = $splitters; } catch (Exception $e) { $response['message'] = 'Database error: ' . $e->getMessage(); } echo json_encode($response); ?>