Raised DBAL version from 1.1.5 to 1.1.6
[Packages/TYPO3.CMS.git] / typo3 / sysext / extbase / Classes / Validation / Validator / FloatValidator.php
1 <?php
2 /***************************************************************
3 * Copyright notice
4 *
5 * (c) 2009 Jochen Rau <jochen.rau@typoplanet.de>
6 * All rights reserved
7 *
8 * This class is a backport of the corresponding class of FLOW3.
9 * All credits go to the v5 team.
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 *
20 * This script is distributed in the hope that it will be useful,
21 * but WITHOUT ANY WARRANTY; without even the implied warranty of
22 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
23 * GNU General Public License for more details.
24 *
25 * This copyright notice MUST APPEAR in all copies of the script!
26 ***************************************************************/
27
28 /**
29 * Validator for floats
30 *
31 * @package Extbase
32 * @subpackage Validation\Validator
33 * @version $Id: FloatValidator.php 1789 2010-01-18 21:31:59Z jocrau $
34 */
35 class Tx_Extbase_Validation_Validator_FloatValidator extends Tx_Extbase_Validation_Validator_AbstractValidator {
36
37 /**
38 * Checks if the given value is a valid float.
39 *
40 * If at least one error occurred, the result is FALSE.
41 *
42 * @param mixed $value The value that should be validated
43 * @return boolean TRUE if the value is valid, FALSE if an error occured
44 */
45 public function isValid($value) {
46 $this->errors = array();
47 if (is_float($value) || (is_string($value) && strpos($value, '.') !== FALSE && preg_match('/^[0-9.e+-]+$/', $value))) {
48 return TRUE;
49 }
50 $this->addError('The given subject was not a valid float.', 1221560288);
51 return FALSE;
52 }
53 }
54
55 ?>