# billingo/4.2.9/src/Validation/Document/ModificationDocumentInsertValidator.php

Billingo Official for WooCommerce, version 4.2.9. 27 lines.

- Page: https://pluginprobe.com/plugins/billingo/4.2.9/code/src/Validation/Document/ModificationDocumentInsertValidator.php
- Raw: https://pluginprobe.com/plugins/billingo/4.2.9/raw/src/Validation/Document/ModificationDocumentInsertValidator.php
- Modified: 2025-05-26T04:53:08+00:00

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```php
<?php

namespace App\Billingo\Validation\Document;

use App\Billingo\Enums\PaymentMethodEnum;
use App\Billingo\Models\Document\DocumentItem;
use App\Billingo\Models\Document\DocumentItemData;
use App\Billingo\Models\Document\DocumentProductData;
use App\Billingo\Models\Document\ReceiptItemData;
use App\Billingo\Validation\Validator;

class ModificationDocumentInsertValidator extends Validator
{

    protected function rules(): array
    {
        return [
            'due_date' => ['optional', ['regex', '/^\d{4}-\d{2}-\d{2}$/']],
            'comment' => ['optional', 'string'],
            'payment_method' => ['optional', ['in', getEnumValues(PaymentMethodEnum::class)]],
            'without_financial_fulfillment' => ['optional', 'boolean'],
            'items' => ['optional', 'array'],
            'items.*' => ['optional', ['instanceOfAny', [DocumentItemData::class, DocumentProductData::class]]]
        ];
    }
}

```