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https://github.com/RSS-Bridge/rss-bridge.git
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[{Atom,Mrss}Format]: Generate using DomDocument (#2771)
* [AtomFormat]: Generate using DomDocument This will escape the HTML content for us as needed. * [MrssFormat]: Generate using DomDocument This will escape the HTML content for us as needed.
This commit is contained in:
Jan Tojnar
GitHub
parent
fb501652d5
commit
90d22f0d80
2 changed files with 198 additions and 162 deletions
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@ -9,6 +9,9 @@
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class AtomFormat extends FormatAbstract{
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const MIME_TYPE = 'application/atom+xml';
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protected const ATOM_NS = 'http://www.w3.org/2005/Atom';
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protected const MRSS_NS = 'http://search.yahoo.com/mrss/';
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const LIMIT_TITLE = 140;
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public function stringify(){
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@ -17,26 +20,66 @@ class AtomFormat extends FormatAbstract{
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$urlPath = (isset($_SERVER['PATH_INFO'])) ? $_SERVER['PATH_INFO'] : '';
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$urlRequest = (isset($_SERVER['REQUEST_URI'])) ? $_SERVER['REQUEST_URI'] : '';
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$feedUrl = $this->xml_encode($urlPrefix . $urlHost . $urlRequest);
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$feedUrl = $urlPrefix . $urlHost . $urlRequest;
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$extraInfos = $this->getExtraInfos();
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$title = $this->xml_encode($extraInfos['name']);
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$uri = !empty($extraInfos['uri']) ? $extraInfos['uri'] : REPOSITORY;
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$document = new DomDocument('1.0', $this->getCharset());
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$document->formatOutput = true;
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$feed = $document->createElementNS(self::ATOM_NS, 'feed');
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$feed->setAttributeNS('http://www.w3.org/2000/xmlns/', 'xmlns:media', self::MRSS_NS);
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$document->appendChild($feed);
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$title = $document->createElement('title');
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$title->setAttribute('type', 'text');
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$title->appendChild($document->createTextNode($extraInfos['name']));
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$feed->appendChild($title);
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$id = $document->createElement('id');
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$id->appendChild($document->createTextNode($feedUrl));
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$feed->appendChild($id);
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$uriparts = parse_url($uri);
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if(!empty($extraInfos['icon'])) {
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$iconUrl = $extraInfos['icon'];
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} else {
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$iconUrl = $uriparts['scheme'] . '://' . $uriparts['host'] . '/favicon.ico';
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}
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$icon = $document->createElement('icon');
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$icon->appendChild($document->createTextNode($iconUrl));
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$feed->appendChild($icon);
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$logo = $document->createElement('logo');
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$logo->appendChild($document->createTextNode($iconUrl));
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$feed->appendChild($logo);
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$feedTimestamp = gmdate(DATE_ATOM, $this->lastModified);
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$updated = $document->createElement('updated');
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$updated->appendChild($document->createTextNode($feedTimestamp));
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$feed->appendChild($updated);
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// since we can't guarantee that all items have an author,
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// a global feed author is mandatory
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$feedAuthor = 'RSS-Bridge';
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$author = $document->createElement('author');
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$authorName = $document->createElement('name');
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$authorName->appendChild($document->createTextNode($feedAuthor));
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$author->appendChild($authorName);
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$feed->appendChild($author);
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$uriparts = parse_url($uri);
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if(!empty($extraInfos['icon'])) {
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$icon = $extraInfos['icon'];
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} else {
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$icon = $this->xml_encode($uriparts['scheme'] . '://' . $uriparts['host'] . '/favicon.ico');
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}
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$linkAlternate = $document->createElement('link');
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$linkAlternate->setAttribute('rel', 'alternate');
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$linkAlternate->setAttribute('type', 'text/html');
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$linkAlternate->setAttribute('href', $uri);
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$feed->appendChild($linkAlternate);
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$uri = $this->xml_encode($uri);
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$linkSelf = $document->createElement('link');
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$linkSelf->setAttribute('rel', 'self');
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$linkSelf->setAttribute('type', 'application/atom+xml');
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$linkSelf->setAttribute('href', $feedUrl);
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$feed->appendChild($linkSelf);
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$entries = '';
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foreach($this->getItems() as $item) {
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$entryTimestamp = $item->getTimestamp();
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$entryTitle = $item->getTitle();
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@ -48,7 +91,7 @@ class AtomFormat extends FormatAbstract{
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$entryID = 'urn:sha1:' . $item->getUid();
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if (empty($entryID)) // Fallback to provided URI
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$entryID = $this->xml_encode($entryUri);
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$entryID = $entryUri;
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if (empty($entryID)) // Fallback to title and content
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$entryID = 'urn:sha1:' . hash('sha1', $entryTitle . $entryContent);
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@ -67,96 +110,75 @@ class AtomFormat extends FormatAbstract{
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if (empty($entryContent))
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$entryContent = ' ';
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$entryAuthor = '';
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if ($item->getAuthor()) {
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$entryAuthor = $this->xml_encode($item->getAuthor());
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}
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$entry = $document->createElement('entry');
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$entryTitle = $this->xml_encode($entryTitle);
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$entryUri = $this->xml_encode($entryUri);
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$entryTimestamp = $this->xml_encode(gmdate(DATE_ATOM, $entryTimestamp));
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$entryContent = $this->xml_encode($this->sanitizeHtml($entryContent));
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$title = $document->createElement('title');
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$title->setAttribute('type', 'html');
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$title->appendChild($document->createTextNode($entryTitle));
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$entry->appendChild($title);
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$entryEnclosures = '';
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foreach($item->getEnclosures() as $enclosure) {
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$entryEnclosures .= '<link rel="enclosure" href="'
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. $this->xml_encode($enclosure)
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. '" type="' . getMimeType($enclosure) . '" />'
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. PHP_EOL;
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}
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$entryTimestamp = gmdate(DATE_ATOM, $entryTimestamp);
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$published = $document->createElement('published');
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$published->appendChild($document->createTextNode($entryTimestamp));
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$entry->appendChild($published);
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$entryCategories = '';
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foreach($item->getCategories() as $category) {
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$entryCategories .= '<category term="'
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. $this->xml_encode($category)
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. '"/>'
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. PHP_EOL;
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}
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$updated = $document->createElement('updated');
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$updated->appendChild($document->createTextNode($entryTimestamp));
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$entry->appendChild($updated);
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$entryThumbnail = $item->thumbnail;
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if (!empty($entryThumbnail))
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$entryThumbnail = '<media:thumbnail url="' . $this->xml_encode($entryThumbnail) . '"/>';
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$id = $document->createElement('id');
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$id->appendChild($document->createTextNode($entryID));
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$entry->appendChild($id);
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$entryLinkAlternate = '';
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if (!empty($entryUri)) {
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$entryLinkAlternate = '<link rel="alternate" type="text/html" href="'
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. $entryUri
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. '"/>';
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$entryLinkAlternate = $document->createElement('link');
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$entryLinkAlternate->setAttribute('rel', 'alternate');
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$entryLinkAlternate->setAttribute('type', 'text/html');
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$entryLinkAlternate->setAttribute('href', $entryUri);
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$entry->appendChild($entryLinkAlternate);
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}
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if (!empty($entryAuthor)) {
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$entryAuthor = '<author><name>'
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. $entryAuthor
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. '</name></author>';
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if (!empty($item->getAuthor())) {
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$author = $document->createElement('author');
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$authorName = $document->createElement('name');
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$authorName->appendChild($document->createTextNode($item->getAuthor()));
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$author->appendChild($authorName);
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$entry->appendChild($author);
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}
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$entries .= <<<EOD
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$content = $document->createElement('content');
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$content->setAttribute('type', 'html');
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$content->appendChild($document->createTextNode($this->sanitizeHtml($entryContent)));
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$entry->appendChild($content);
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<entry>
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<title type="html">{$entryTitle}</title>
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<published>{$entryTimestamp}</published>
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<updated>{$entryTimestamp}</updated>
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<id>{$entryID}</id>
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{$entryLinkAlternate}
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{$entryAuthor}
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<content type="html">{$entryContent}</content>
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{$entryEnclosures}
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{$entryCategories}
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{$entryThumbnail}
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</entry>
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foreach($item->getEnclosures() as $enclosure) {
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$entryEnclosure = $document->createElement('link');
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$entryEnclosure->setAttribute('rel', 'enclosure');
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$entryEnclosure->setAttribute('type', getMimeType($enclosure));
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$entryEnclosure->setAttribute('href', $enclosure);
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$entry->appendChild($entryEnclosure);
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}
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EOD;
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foreach($item->getCategories() as $category) {
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$entryCategory = $document->createElement('category');
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$entryCategory->setAttribute('term', $category);
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$entry->appendChild($entryCategory);
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}
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if (!empty($item->thumbnail)) {
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$thumbnail = $document->createElementNS(self::MRSS_NS, 'media:thumbnail');
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$thumbnail->setAttribute('url', $item->thumbnail);
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$entry->appendChild($thumbnail);
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}
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$feed->appendChild($entry);
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}
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$feedTimestamp = gmdate(DATE_ATOM, $this->lastModified);
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$charset = $this->getCharset();
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/* Data are prepared, now let's begin the "MAGIE !!!" */
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$toReturn = <<<EOD
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<?xml version="1.0" encoding="{$charset}"?>
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<feed xmlns="http://www.w3.org/2005/Atom" xmlns:media="http://search.yahoo.com/mrss/">
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<title type="text">{$title}</title>
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<id>{$feedUrl}</id>
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<icon>{$icon}</icon>
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<logo>{$icon}</logo>
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<updated>{$feedTimestamp}</updated>
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<author>
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<name>{$feedAuthor}</name>
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</author>
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<link rel="alternate" type="text/html" href="{$uri}" />
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<link rel="self" type="application/atom+xml" href="{$feedUrl}" />
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{$entries}
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</feed>
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EOD;
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$toReturn = $document->saveXML();
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// Remove invalid characters
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ini_set('mbstring.substitute_character', 'none');
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$toReturn = mb_convert_encoding($toReturn, $this->getCharset(), 'UTF-8');
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return $toReturn;
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}
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private function xml_encode($text){
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return htmlspecialchars($text, ENT_XML1);
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}
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}
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