<?php

/**
 * webtrees: online genealogy
 * Copyright (C) 2022 webtrees development team
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU General Public License for more details.
 * You should have received a copy of the GNU General Public License
 * along with this program. If not, see <https://www.gnu.org/licenses/>.
 */

declare(strict_types=1);

namespace Fisharebest\Webtrees\Elements;

/**
 * CHANGE_DATE := {Size=10:11}
 * <DATE_EXACT>
 * The date that this data was changed.
 */
class ChangeDate extends DateValueToday
{
    protected const SUBTAGS = [
        'TIME' => '1:1',
    ];

    /**
     * Escape @ signs in a GEDCOM export.
     * This value should not include calendar escapes, so override special logic for date fields.
     *
     * @param string $value
     *
     * @return string
     */
    public function escape(string $value): string
    {
        return strtr($value, ['@' => '@@']);
    }
}
