EmptyValidator.php

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<?php
 
declare(strict_types=1);
 
/*
 * This file is part of the TYPO3 CMS project.
 *
 * It is free software; you can redistribute it and/or modify it under
 * the terms of the GNU General Public License, either version 2
 * of the License, or any later version.
 *
 * For the full copyright and license information, please read the
 * LICENSE.txt file that was distributed with this source code.
 *
 * The TYPO3 project - inspiring people to share!
 */
 
namespace ‪TYPO3\CMS\Form\Mvc\Validation;
 
use ‪TYPO3\CMS\Extbase\Validation\Validator\AbstractValidator;
 
class ‪EmptyValidator extends ‪AbstractValidator
{
    protected ‪$acceptsEmptyValues = true;
 
    public function ‪isValid($value)
    {
        if (!empty($value)) {
            $this->‪addError(
                $this->‪translateErrorMessage(
                    'validation.error.1476396435',
                    'form'
                ) ?? '',
                1476396435
            );
        }
    }
}