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1<?php
2/**
3 * This file is part of PHPWord - A pure PHP library for reading and writing
4 * word processing documents.
5 *
6 * PHPWord is free software distributed under the terms of the GNU Lesser
7 * General Public License version 3 as published by the Free Software Foundation.
8 *
9 * For the full copyright and license information, please read the LICENSE
10 * file that was distributed with this source code. For the full list of
11 * contributors, visit https://github.com/PHPOffice/PHPWord/contributors.
12 *
13 * @see         https://github.com/PHPOffice/PHPWord
14 *
15 * @license     http://www.gnu.org/licenses/lgpl.txt LGPL version 3
16 */
17
18namespace PhpOffice\PhpWord\Writer\Word2007\Element;
19
20/**
21 * Footnote element writer.
22 *
23 * @since 0.10.0
24 */
25class Footnote extends Text
26{
27    /**
28     * Reference type footnoteReference|endnoteReference.
29     *
30     * @var string
31     */
32    protected $referenceType = 'footnoteReference';
33
34    /**
35     * Write element.
36     */
37    public function write(): void
38    {
39        $xmlWriter = $this->getXmlWriter();
40        $element = $this->getElement();
41        if (!$element instanceof \PhpOffice\PhpWord\Element\Footnote) {
42            return;
43        }
44
45        $this->startElementP();
46
47        $xmlWriter->startElement('w:r');
48        $xmlWriter->startElement('w:rPr');
49        $xmlWriter->startElement('w:rStyle');
50        $xmlWriter->writeAttribute('w:val', ucfirst($this->referenceType));
51        $xmlWriter->endElement(); // w:rStyle
52        $xmlWriter->endElement(); // w:rPr
53        $xmlWriter->startElement("w:{$this->referenceType}");
54        $xmlWriter->writeAttribute('w:id', $element->getRelationId() + 1);
55        $xmlWriter->endElement(); // w:$referenceType
56        $xmlWriter->endElement(); // w:r
57
58        $this->endElementP(); // w:p
59    }
60}