1<?php 2 3/** 4 * webtrees: online genealogy 5 * Copyright (C) 2023 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 <https://www.gnu.org/licenses/>. 16 */ 17 18declare(strict_types=1); 19 20namespace Fisharebest\Webtrees\Elements; 21 22use Fisharebest\Webtrees\Tree; 23 24use function e; 25 26/** 27 * Events which can be linked to content at another website. 28 */ 29class AbstractExternalLink extends AbstractElement 30{ 31 protected const EXTERNAL_URL = 'https://www.example.com/{ID}'; 32 33 /** 34 * Display the value of this type of element. 35 * 36 * @param string $value 37 * @param Tree $tree 38 * 39 * @return string 40 */ 41 public function value(string $value, Tree $tree): string 42 { 43 $canonical = $this->canonical($value); 44 $url = strtr(static::EXTERNAL_URL, ['{ID}' => rawurlencode($canonical)]); 45 46 return '<a dir="ltr" href="' . e($url) . '" rel="nofollow">' . e($canonical) . '</a>'; 47 } 48} 49