1f3fa6d90SGreg Roach<?php 23976b470SGreg Roach 3f3fa6d90SGreg Roach/** 4f3fa6d90SGreg Roach * webtrees: online genealogy 5*89f7189bSGreg Roach * Copyright (C) 2021 webtrees development team 6f3fa6d90SGreg Roach * This program is free software: you can redistribute it and/or modify 7f3fa6d90SGreg Roach * it under the terms of the GNU General Public License as published by 8f3fa6d90SGreg Roach * the Free Software Foundation, either version 3 of the License, or 9f3fa6d90SGreg Roach * (at your option) any later version. 10f3fa6d90SGreg Roach * This program is distributed in the hope that it will be useful, 11f3fa6d90SGreg Roach * but WITHOUT ANY WARRANTY; without even the implied warranty of 12f3fa6d90SGreg Roach * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 13f3fa6d90SGreg Roach * GNU General Public License for more details. 14f3fa6d90SGreg Roach * You should have received a copy of the GNU General Public License 15*89f7189bSGreg Roach * along with this program. If not, see <https://www.gnu.org/licenses/>. 16f3fa6d90SGreg Roach */ 17fcfa147eSGreg Roach 18e7f56f2aSGreg Roachdeclare(strict_types=1); 1915d603e7SGreg Roach 20f3fa6d90SGreg Roachnamespace Fisharebest\Webtrees\Census; 21f3fa6d90SGreg Roach 22f3fa6d90SGreg Roachuse Fisharebest\Webtrees\Individual; 23f3fa6d90SGreg Roach 24f3fa6d90SGreg Roach/** 25f3fa6d90SGreg Roach * The individual's date of birth. 26f3fa6d90SGreg Roach */ 27c1010edaSGreg Roachclass CensusColumnBirthYear extends AbstractCensusColumn implements CensusColumnInterface 28c1010edaSGreg Roach{ 29f3fa6d90SGreg Roach /** 30f3fa6d90SGreg Roach * Generate the likely value of this census column, based on available information. 31f3fa6d90SGreg Roach * 32f3fa6d90SGreg Roach * @param Individual $individual 3315d603e7SGreg Roach * @param Individual $head 34f3fa6d90SGreg Roach * 35f3fa6d90SGreg Roach * @return string 36f3fa6d90SGreg Roach */ 378f53f488SRico Sonntag public function generate(Individual $individual, Individual $head): string 38c1010edaSGreg Roach { 3973bbd7f4SGreg Roach return $individual->getEstimatedBirthDate()->minimumDate()->format('%Y'); 40f3fa6d90SGreg Roach } 41f3fa6d90SGreg Roach} 42