account_book/app/Libs/helpers.php

<?php

use Illuminate\Http\JsonResponse;

function success(array $data, ?string $sign = null, string $msg = 'SUCCESS'): JsonResponse
{
    return response()->json(
        [
            'code' => 0,
            'msg'  => $msg,
            'data' => $data,
            'sign' => $sign
        ],
        options: JSON_UNESCAPED_SLASHES | JSON_UNESCAPED_UNICODE
    );
}

function error(string $msg = 'ERROR'): JsonResponse
{
    return response()->json(
        [
            'code' => 9999,
            'msg'  => $msg,
        ],
        options: JSON_UNESCAPED_SLASHES | JSON_UNESCAPED_UNICODE
    );
}