xref: /webtrees/app/Census/CensusColumnBirthDaySlashMonth.php (revision 0a016d046f63b3b1ece7ec913216782c17f0cbad)
1<?php
2/**
3 * webtrees: online genealogy
4 * Copyright (C) 2017 webtrees development team
5 * This program is free software: you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation, either version 3 of the License, or
8 * (at your option) any later version.
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 * You should have received a copy of the GNU General Public License
14 * along with this program. If not, see <http://www.gnu.org/licenses/>.
15 */
16
17namespace Fisharebest\Webtrees\Census;
18
19use Fisharebest\Webtrees\Individual;
20
21/**
22 * The individual's date of birth.
23 */
24class CensusColumnBirthDaySlashMonth extends AbstractCensusColumn implements CensusColumnInterface {
25	/**
26	 * Generate the likely value of this census column, based on available information.
27	 *
28	 * @param Individual $individual
29	 * @param Individual $head
30	 *
31	 * @return string
32	 */
33	public function generate(Individual $individual, Individual $head = null) {
34		$birth_date = $individual->getBirthDate();
35
36		if ($birth_date->minimumJulianDay() === $birth_date->maximumJulianDay()) {
37			return $birth_date->minimumDate()->format('%j/%n');
38		} else {
39			return '';
40		}
41	}
42}
43