1<?php 2 3/** 4 * webtrees: online genealogy 5 * Copyright (C) 2019 webtrees development team 6 * This program is free software: you can redistribute it and/or modify 7 * it under the terms of the GNU General Public License as published by 8 * the Free Software Foundation, either version 3 of the License, or 9 * (at your option) any later version. 10 * This program is distributed in the hope that it will be useful, 11 * but WITHOUT ANY WARRANTY; without even the implied warranty of 12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 13 * GNU General Public License for more details. 14 * You should have received a copy of the GNU General Public License 15 * along with this program. If not, see <http://www.gnu.org/licenses/>. 16 */ 17declare(strict_types=1); 18 19namespace Fisharebest\Webtrees\Census; 20 21/** 22 * Definitions for a census 23 */ 24interface CensusInterface extends CensusPlaceInterface 25{ 26 /** 27 * When did this census occur, in GEDCOM format. 28 * 29 * @return string 30 */ 31 public function censusDate(): string; 32 33 /** 34 * The columns of the census. 35 * 36 * @return CensusColumnInterface[] 37 */ 38 public function columns(): array; 39} 40