1<?php 2/** 3 * webtrees: online genealogy 4 * Copyright (C) 2018 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 */ 16declare(strict_types=1); 17 18namespace Fisharebest\Webtrees\Census; 19 20use Fisharebest\Webtrees\Individual; 21 22/** 23 * The individual's date of birth. 24 */ 25class CensusColumnBirthMonth extends AbstractCensusColumn implements CensusColumnInterface 26{ 27 /** 28 * Generate the likely value of this census column, based on available information. 29 * 30 * @param Individual $individual 31 * @param Individual $head 32 * 33 * @return string 34 */ 35 public function generate(Individual $individual, Individual $head): string 36 { 37 return $individual->getEstimatedBirthDate()->minimumDate()->format('%M'); 38 } 39} 40