KT-MyPage/app/Http/Controllers/Web/Receipt/ReceiptCreateParams.php

<?php

namespace App\Http\Controllers\Web\Receipt;

use App\Http\Controllers\Web\BaseParam;

/**
 * @property int[] $recordNo
 */
class ReceiptCreateParams extends BaseParam
{
    public function rules(): array
    {
        return [
            'record_no' => $this->array(),
            'record_no.*' => $this->numeric(true),
        ];
    }
}