where("game_jam_id", $_POST["gameJamId"])->first()){ $reg->group_amount = $_POST["groupAmount"]; if($reg->save()){ http_response_code(200); }else{ http_response_code(500); } }else{ http_response_code(400); echo json_encode(["message" => "registration does not exits"]); } }else{ http_response_code(400); } }else{ http_response_code(401); echo json_encode(["message" => "is not login"]); }