ConjunctionValidator.php

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<?php
namespace TYPO3\CMS\Extbase\Validation\Validator;

/*
 * 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!
 */

use TYPO3\CMS\Extbase\Error\Result;

class ConjunctionValidator extends AbstractCompositeValidator
{
    public function validate($value)
    {
        $validators = $this->getValidators();
        if ($validators->count() > 0) {
            $result = null;
            foreach ($validators as $validator) {
                if ($result === null) {
                    $result = $validator->validate($value);
                } else {
                    $result->merge($validator->validate($value));
                }
            }
        } else {
            $result = new Result;
        }

        return $result;
    }
}