[BUGFIX] Make AlphanumericValidator work with umlauts
[Packages/TYPO3.CMS.git] / typo3 / sysext / extbase / Classes / Validation / Validator / AlphanumericValidator.php
1 <?php
2 namespace TYPO3\CMS\Extbase\Validation\Validator;
3
4 /***************************************************************
5 * Copyright notice
6 *
7 * (c) 2010-2012 Extbase Team (http://forge.typo3.org/projects/typo3v4-mvc)
8 * Extbase is a backport of TYPO3 Flow. All credits go to the TYPO3 Flow team.
9 * All rights reserved
10 *
11 * This script is part of the TYPO3 project. The TYPO3 project is
12 * free software; you can redistribute it and/or modify
13 * it under the terms of the GNU General Public License as published by
14 * the Free Software Foundation; either version 2 of the License, or
15 * (at your option) any later version.
16 *
17 * The GNU General Public License can be found at
18 * http://www.gnu.org/copyleft/gpl.html.
19 * A copy is found in the textfile GPL.txt and important notices to the license
20 * from the author is found in LICENSE.txt distributed with these scripts.
21 *
22 *
23 * This script is distributed in the hope that it will be useful,
24 * but WITHOUT ANY WARRANTY; without even the implied warranty of
25 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
26 * GNU General Public License for more details.
27 *
28 * This copyright notice MUST APPEAR in all copies of the script!
29 ***************************************************************/
30 /**
31 * Validator for alphanumeric strings
32 */
33 class AlphanumericValidator extends \TYPO3\CMS\Extbase\Validation\Validator\AbstractValidator {
34
35 /**
36 * Returns TRUE, if the given property ($propertyValue) is a valid
37 * alphanumeric string, which is defined as [a-zA-Z0-9]*.
38 *
39 * If at least one error occurred, the result is FALSE.
40 *
41 * @param mixed $value The value that should be validated
42 * @return boolean TRUE if the value is valid, FALSE if an error occured
43 */
44 public function isValid($value) {
45 $this->errors = array();
46 if (!is_string($value) || preg_match('/^[[:alnum:]]*$/u', $value) !== 1) {
47 $this->addError('The given subject was not a valid alphanumeric string.', 1221551320);
48 return FALSE;
49 }
50
51 return TRUE;
52 }
53 }
54
55 ?>