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1<?php
2
3/**
4 * Linkify a string so that the links become clickable HTML
5 *
6 * PHP version 8
7 *
8 * Copyright (C) The National Library of Finland 2020.
9 *
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License version 2,
12 * as published by the Free Software Foundation.
13 *
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
17 * GNU General Public License for more details.
18 *
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, write to the Free Software
21 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
22 *
23 * @category VuFind
24 * @package  View_Helpers
25 * @author   Ere Maijala <ere.maijala@helsinki.fi>
26 * @author   Volodymyr Stelmakh <2980619+vstelmakh@users.noreply.github.com>
27 * @license  http://opensource.org/licenses/gpl-2.0.php GNU General Public License
28 * @link     https://vufind.org/wiki/development Wiki
29 */
30
31namespace VuFind\View\Helper\Root;
32
33use Laminas\View\Helper\AbstractHelper;
34use VStelmakh\UrlHighlight\UrlHighlight;
35
36/**
37 * Linkify a string so that the links become clickable HTML
38 *
39 * @category VuFind
40 * @package  View_Helpers
41 * @author   Ere Maijala <ere.maijala@helsinki.fi>
42 * @author   Volodymyr Stelmakh <2980619+vstelmakh@users.noreply.github.com>
43 * @license  http://opensource.org/licenses/gpl-2.0.php GNU General Public License
44 * @link     https://vufind.org/wiki/development Wiki
45 */
46class Linkify extends AbstractHelper
47{
48    /**
49     * Url highlighter
50     *
51     * @var UrlHighlight
52     */
53    protected $urlHighlight;
54
55    /**
56     * Constructor
57     *
58     * @param UrlHighlight $urlHighlight Url highlighter
59     */
60    public function __construct(UrlHighlight $urlHighlight)
61    {
62        $this->urlHighlight = $urlHighlight;
63    }
64
65    /**
66     * Replace urls and emails by html tags
67     *
68     * @param string $string String to linkify (must be HTML-escaped)
69     *
70     * @return string
71     */
72    public function __invoke(string $string): string
73    {
74        return $this->urlHighlight->highlightUrls($string);
75    }
76}