DisjunctionValidator.php

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<?php
/***************************************************************
*  Copyright notice
*
*  (c) 2009 Jochen Rau <jochen.rau@typoplanet.de>
*  All rights reserved
*
*  This class is a backport of the corresponding class of FLOW3.
*  All credits go to the v5 team.
*
*  This script is part of the TYPO3 project. The TYPO3 project is
*  free software; you can redistribute it and/or modify
*  it under the terms of the GNU General Public License as published by
*  the Free Software Foundation; either version 2 of the License, or
*  (at your option) any later version.
*
*  The GNU General Public License can be found at
*  http://www.gnu.org/copyleft/gpl.html.
*
*  This script is distributed in the hope that it will be useful,
*  but WITHOUT ANY WARRANTY; without even the implied warranty of
*  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
*  GNU General Public License for more details.
*
*  This copyright notice MUST APPEAR in all copies of the script!
***************************************************************/


/**
 * Validator to chain many validators in a disjunction (logical or). So only one
 * validator has to be valid, to make the whole disjunction valid. Errors are
 * only returned if all validators failed.
 *
 * @package Extbase
 * @subpackage Validation\Validator
 * @version $Id: DisjunctionValidator.php 1729 2009-11-25 21:37:20Z stucki $
 * @license http://www.gnu.org/licenses/lgpl.html GNU Lesser General Public License, version 3 or later
 * @scope prototype
 */
class Tx_Extbase_Validation_Validator_DisjunctionValidator extends Tx_Extbase_Validation_Validator_AbstractCompositeValidator {
    /**
     * Checks if the given value is valid according to the validators of the conjunction.
     *
     * If at least one error occurred, the result is FALSE.
     *
     * @param mixed $value The value that should be validated
     * @return boolean TRUE if the value is valid, FALSE if an error occured
     */
    public function isValid($value) {
        $result = FALSE;
        foreach ($this->validators as $validator) {
            if ($validator->isValid($value) === FALSE) {
                $this->errors = array_merge($this->errors, $validator->getErrors());
            } else {
                $result = TRUE;
            }
        }
        if ($result === TRUE) {
            $this->errors = array();
        }
        return $result;
    }
}

?>