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<?php
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namespace TYPO3\CMS\Core\Resource\Rendering;
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/*
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* This file is part of the TYPO3 CMS project.
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*
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* It is free software; you can redistribute it and/or modify it under
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* the terms of the GNU General Public License, either version 2
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* of the License, or any later version.
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*
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* For the full copyright and license information, please read the
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* LICENSE.txt file that was distributed with this source code.
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*
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* The TYPO3 project - inspiring people to share!
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*/
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use TYPO3\CMS\Core\Resource\File;
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use TYPO3\CMS\Core\Resource\FileInterface;
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use TYPO3\CMS\Core\Resource\FileReference;
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use TYPO3\CMS\Core\Resource\OnlineMedia\Helpers\OnlineMediaHelperInterface;
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use TYPO3\CMS\Core\Resource\OnlineMedia\Helpers\OnlineMediaHelperRegistry;
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use TYPO3\CMS\Core\Utility\GeneralUtility;
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use TYPO3\CMS\Core\Utility\MathUtility;
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class FacebookRenderer implements FileRendererInterface
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{
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/**
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* @var OnlineMediaHelperInterface
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*/
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protected $onlineMediaHelper;
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/**
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* Check if given File(Reference) can be rendered
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*
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* @param FileInterface $file File of FileReference to render
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* @return bool
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*/
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public function canRender(\TYPO3\CMS\Core\Resource\FileInterface $file)
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{
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return ($file->getMimeType() === 'video/facebook' || $file->getExtension() === 'facebook') && $this->getOnlineMediaHelper($file) !== false;
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}
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/**
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* Returns the priority of the renderer
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* This way it is possible to define/overrule a renderer
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* for a specific file type/context.
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* For example create a video renderer for a certain storage/driver type.
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* Should be between 1 and 100, 100 is more important than 1
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*
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* @return int
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*/
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public function getPriority()
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{
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return 1;
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}
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/**
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* Render for given File(Reference) html output
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*
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* @param FileInterface $file
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* @param int|string $width TYPO3 known format; examples: 220, 200m or 200c
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* @param int|string $height TYPO3 known format; examples: 220, 200m or 200c
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* @param array $options
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* @param bool $usedPathsRelativeToCurrentScript See $file->getPublicUrl()
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* @return string
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*/
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public function render(FileInterface $file, $width, $height, array $options = [], $usedPathsRelativeToCurrentScript = false)
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{
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$options = $this->collectOptions($options, $file);
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$src = $this->createFacebookUrl($options, $file);
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$attributes = $this->collectIframeAttributes($width, $height, $options);
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return sprintf(
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'<iframe src="%s"%s></iframe>',
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htmlspecialchars($src, ENT_QUOTES | ENT_HTML5),
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empty($attributes) ? '' : ' ' . $this->implodeAttributes($attributes)
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);
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}
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/**
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* Get online media helper
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*
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* @param FileInterface $file
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* @return bool|OnlineMediaHelperInterface
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*/
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protected function getOnlineMediaHelper(FileInterface $file)
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{
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if ($this->onlineMediaHelper === null) {
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$orgFile = $file;
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if ($orgFile instanceof FileReference) {
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$orgFile = $orgFile->getOriginalFile();
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}
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if ($orgFile instanceof File) {
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$this->onlineMediaHelper = OnlineMediaHelperRegistry::getInstance()->getOnlineMediaHelper($orgFile);
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} else {
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$this->onlineMediaHelper = false;
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}
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}
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return $this->onlineMediaHelper;
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}
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/**
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* @param array $options
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* @param FileInterface $file
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* @return array
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*/
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protected function collectOptions(array $options, FileInterface $file)
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{
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// Check for an autoplay option at the file reference itself, if not overridden yet.
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if (!isset($options['autoplay']) && $file instanceof FileReference) {
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$autoplay = $file->getProperty('autoplay');
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if ($autoplay !== null) {
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$options['autoplay'] = $autoplay;
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}
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}
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$options['controls'] = $options['controls'] ?? 2;
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$options['controls'] = MathUtility::canBeInterpretedAsInteger($options['controls']) ? MathUtility::forceIntegerInRange($options['controls'], 0, 2) : 2;
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if (!isset($options['allow'])) {
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$options['allow'] = 'fullscreen';
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if (!empty($options['autoplay'])) {
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$options['allow'] = 'autoplay; fullscreen';
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}
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}
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return $options;
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}
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/**
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* @param array $options
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* @param FileInterface $file
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* @return string
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*/
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protected function createFacebookUrl(array $options, FileInterface $file)
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{
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$videoFileId = $this->getVideoIdFromFile($file);
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// Video Id = Channel name + '_' + Video ID
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$video = GeneralUtility::trimExplode('_', $videoFileId);
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$videoId = $video[1];
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$videoChannel = $video[0];
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$urlParams = ['autohide=1'];
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$urlParams[] = 'controls=' . $options['controls'];
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if (!empty($options['autoplay'])) {
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$urlParams[] = 'autoplay=1';
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}
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if (!empty($options['modestbranding'])) {
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$urlParams[] = 'modestbranding=1';
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}
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if (!empty($options['loop'])) {
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$urlParams[] = 'loop=1&playlist=' . rawurlencode($videoId);
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}
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if (isset($options['relatedVideos'])) {
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$urlParams[] = 'rel=' . (int)(bool)$options['relatedVideos'];
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}
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if (!isset($options['enablejsapi']) || !empty($options['enablejsapi'])) {
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$urlParams[] = 'enablejsapi=1&origin=' . rawurlencode(GeneralUtility::getIndpEnv('TYPO3_REQUEST_HOST'));
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}
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$urlParams[] = 'showinfo=' . (int)!empty($options['showinfo']);
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$FacebookUrl = sprintf(
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'https://www.facebook.com/plugins/video.php?href=https://www.facebook.com/%s/videos/%s',
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$videoChannel,
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$videoId
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);
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return $FacebookUrl;
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}
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/**
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* @param FileInterface $file
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* @return string
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*/
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protected function getVideoIdFromFile(FileInterface $file)
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{
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if ($file instanceof FileReference) {
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$orgFile = $file->getOriginalFile();
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} else {
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$orgFile = $file;
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}
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return $this->getOnlineMediaHelper($file)->getOnlineMediaId($orgFile);
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}
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/**
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* @param int|string $width
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* @param int|string $height
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* @param array $options
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* @return array pairs of key/value; not yet html-escaped
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*/
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protected function collectIframeAttributes($width, $height, array $options)
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{
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$attributes = [];
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$attributes['allowfullscreen'] = true;
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if (isset($options['additionalAttributes']) && is_array($options['additionalAttributes'])) {
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$attributes = array_merge($attributes, $options['additionalAttributes']);
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}
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if (isset($options['data']) && is_array($options['data'])) {
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array_walk($options['data'], function (&$value, $key) use (&$attributes) {
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$attributes['data-' . $key] = $value;
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});
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}
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if ((int)$width > 0) {
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$attributes['width'] = (int)$width;
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}
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if ((int)$height > 0) {
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$attributes['height'] = (int)$height;
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}
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if (isset($GLOBALS['TSFE']) && is_object($GLOBALS['TSFE']) && (isset($GLOBALS['TSFE']->config['config']['doctype']) && $GLOBALS['TSFE']->config['config']['doctype'] !== 'html5')) {
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$attributes['frameborder'] = 0;
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}
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foreach (['class', 'dir', 'id', 'lang', 'style', 'title', 'accesskey', 'tabindex', 'onclick', 'poster', 'preload', 'allow'] as $key) {
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if (!empty($options[$key])) {
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$attributes[$key] = $options[$key];
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}
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}
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return $attributes;
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}
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/**
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* @internal
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* @param array $attributes
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* @return string
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*/
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protected function implodeAttributes(array $attributes): string
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{
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$attributeList = [];
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foreach ($attributes as $name => $value) {
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$name = preg_replace('/[^\p{L}0-9_.-]/u', '', $name);
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if ($value === true) {
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$attributeList[] = $name;
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} else {
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$attributeList[] = $name . '="' . htmlspecialchars($value, ENT_QUOTES | ENT_HTML5) . '"';
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}
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}
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return implode(' ', $attributeList);
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}
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}
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