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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 | } |