1<?php 2/** 3 * webtrees: online genealogy 4 * Copyright (C) 2015 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 */ 16namespace Fisharebest\Webtrees\Census; 17 18use Fisharebest\Webtrees\Date; 19use Fisharebest\Webtrees\Individual; 20 21/** 22 * The number of children born alive. 23 */ 24class CensusColumnChildrenBornAlive extends AbstractCensusColumn implements CensusColumnInterface { 25 /** 26 * Generate the likely value of this census column, based on available information. 27 * 28 * @param Individual $individual 29 * 30 * @return string 31 */ 32 public function generate(Individual $individual) { 33 if ($individual->getSex() !== 'F') { 34 return ''; 35 } 36 37 $count = 0; 38 foreach ($individual->getSpouseFamilies() as $family) { 39 foreach ($family->getChildren() as $child) { 40 if ( 41 $child->getBirthDate()->isOK() && 42 Date::compare($child->getBirthDate(), $this->date()) < 0 && 43 $child->getBirthDate() != $child->getDeathDate() 44 ) { 45 $count++; 46 } 47 } 48 } 49 50 return (string) $count; 51 } 52} 53