xref: /webtrees/app/Census/CensusColumnBirthDayMonthYear.php (revision b62a8ecaef02a45d7e018fdb0f702d4575d8d0de)
1<?php
2
3/**
4 * webtrees: online genealogy
5 * Copyright (C) 2019 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 <http://www.gnu.org/licenses/>.
16 */
17
18declare(strict_types=1);
19
20namespace Fisharebest\Webtrees\Census;
21
22use Fisharebest\Webtrees\Individual;
23
24/**
25 * The individual's date of birth.
26 */
27class CensusColumnBirthDayMonthYear extends AbstractCensusColumn implements CensusColumnInterface
28{
29    /**
30     * Generate the likely value of this census column, based on available information.
31     *
32     * @param Individual $individual
33     * @param Individual $head
34     *
35     * @return string
36     */
37    public function generate(Individual $individual, Individual $head): string
38    {
39        $birth_date = $individual->getBirthDate();
40
41        if ($birth_date->minimumJulianDay() === $birth_date->maximumJulianDay()) {
42            return $birth_date->minimumDate()->format('%j %M %Y');
43        }
44
45        return '';
46    }
47}
48