xref: /webtrees/app/Elements/GenerationsOfDescendants.php (revision b11cdcd45131b1585d66693fab363cfeb18c51a4)
1<?php
2
3/**
4 * webtrees: online genealogy
5 * 'Copyright (C) 2023 webtrees development team
6 * This program is free software: you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation, either version 3 of the License, or
9 * (at your option) any later version.
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
14 * You should have received a copy of the GNU General Public License
15 * along with this program. If not, see <https://www.gnu.org/licenses/>.
16 */
17
18declare(strict_types=1);
19
20namespace Fisharebest\Webtrees\Elements;
21
22use Fisharebest\Webtrees\Tree;
23
24/**
25 * GENERATIONS_OF_DESCENDANTS := {Size=1:4}
26 * The number of generations of descendants included in this transmission. This
27 * value is usually provided when FamilySearch programs build a GEDCOM file for
28 * a patron requesting a download of descendants.
29 */
30class GenerationsOfDescendants extends AbstractElement
31{
32    protected const MAXIMUM_LENGTH = 4;
33
34    /**
35     * Display the value of this type of element.
36     *
37     * @param string $value
38     * @param Tree   $tree
39     *
40     * @return string
41     */
42    public function value(string $value, Tree $tree): string
43    {
44        return $this->valueNumeric($value);
45    }
46}
47