1<?php 2/** 3 * webtrees: online genealogy 4 * Copyright (C) 2019 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 20/** 21 * Definitions for a census 22 */ 23interface CensusInterface extends CensusPlaceInterface 24{ 25 /** 26 * When did this census occur, in GEDCOM format. 27 * 28 * @return string 29 */ 30 public function censusDate(): string; 31 32 /** 33 * The columns of the census. 34 * 35 * @return CensusColumnInterface[] 36 */ 37 public function columns(): array; 38} 39