group_name = $_POST['groupName']; if (!$group->save()) { http_response_code(500); } else { http_response_code(200); } } else { http_response_code(400); echo json_encode(["message" => "group not found"]); } } else { http_response_code(400); } } else { http_response_code(401); echo json_encode(["message" => "is not login"]); }