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 */ 16 17namespace Fisharebest\Webtrees\Census; 18 19use Fisharebest\Webtrees\Date; 20use Fisharebest\Webtrees\Individual; 21 22/** 23 * The number of children born alive. 24 */ 25class CensusColumnChildrenBornAlive 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 $head): string 36 { 37 if ($individual->getSex() !== 'F') { 38 return ''; 39 } 40 41 $count = 0; 42 foreach ($individual->getSpouseFamilies() as $family) { 43 foreach ($family->getChildren() as $child) { 44 if ( 45 $child->getBirthDate()->isOK() && 46 Date::compare($child->getBirthDate(), $this->date()) < 0 && 47 $child->getBirthDate() != $child->getDeathDate() 48 ) { 49 $count++; 50 } 51 } 52 } 53 54 return (string)$count; 55 } 56} 57