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1 | <?php |
2 | |
3 | /** |
4 | * This program is free software; you can redistribute it and/or |
5 | * modify it under the terms of the GNU General Public License |
6 | * as published by the Free Software Foundation; under version 2 |
7 | * of the License (non-upgradable). |
8 | * |
9 | * This program is distributed in the hope that it will be useful, |
10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
12 | * GNU General Public License for more details. |
13 | * |
14 | * You should have received a copy of the GNU General Public License |
15 | * along with this program; if not, write to the Free Software |
16 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. |
17 | * |
18 | * Copyright (c) 2008-2010 (original work) Deutsche Institut für Internationale Pädagogische Forschung |
19 | * (under the project TAO-TRANSFER); |
20 | * 2009-2012 (update and modification) Public Research Centre Henri Tudor |
21 | * (under the project TAO-SUSTAIN & TAO-DEV); |
22 | * 2022 (update and modification) Open Assessment Technologies SA; |
23 | * |
24 | */ |
25 | |
26 | /** |
27 | * Short description of class tao_helpers_form_validators_Integer |
28 | * |
29 | * @access public |
30 | * @author Jehan Bihin, <jehan.bihin@tudor.lu> |
31 | * @package tao |
32 | |
33 | */ |
34 | class tao_helpers_form_validators_Integer extends tao_helpers_form_validators_Numeric |
35 | { |
36 | /** |
37 | * @param $values mixed |
38 | * @author Jehan Bihin, <jehan.bihin@tudor.lu> |
39 | */ |
40 | public function evaluate($values): bool |
41 | { |
42 | if ($values === '') { |
43 | return true; |
44 | } |
45 | |
46 | if ($values == intval($values)) { |
47 | return parent::evaluate($values); |
48 | } |
49 | |
50 | $this->setMessage(__('The value of this field must be an integer')); |
51 | |
52 | return false; |
53 | } |
54 | } |