[TASK] Re-work/simplify copyright header in PHP files - Part 8
[Packages/TYPO3.CMS.git] / typo3 / sysext / extbase / Classes / Validation / Validator / FloatValidator.php
1 <?php
2 namespace TYPO3\CMS\Extbase\Validation\Validator;
3
4 /**
5 * This file is part of the TYPO3 CMS project.
6 *
7 * It is free software; you can redistribute it and/or modify it under
8 * the terms of the GNU General Public License, either version 2
9 * of the License, or any later version.
10 *
11 * For the full copyright and license information, please read the
12 * LICENSE.txt file that was distributed with this source code.
13 *
14 * The TYPO3 project - inspiring people to share!
15 */
16
17 /**
18 * Validator for floats.
19 *
20 * @api
21 */
22 class FloatValidator extends AbstractValidator {
23
24 /**
25 * The given value is valid if it is of type float or a string matching the regular expression [0-9.e+-]
26 *
27 * @param mixed $value The value that should be validated
28 * @return void
29 * @api
30 */
31 public function isValid($value) {
32 if (is_float($value)) {
33 return;
34 }
35
36 if (!is_string($value) || strpos($value, '.') === FALSE || preg_match('/^[0-9.e+-]+$/', $value) !== 1) {
37 $this->addError(
38 $this->translateErrorMessage(
39 'validator.float.notvalid',
40 'extbase'
41 ), 1221560288);
42 }
43 }
44 }