207 lines
9.5 KiB
PHP
207 lines
9.5 KiB
PHP
<?php
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/**
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* (c) Kitodo. Key to digital objects e.V. <contact@kitodo.org>
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*
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* This file is part of the Kitodo and TYPO3 projects.
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*
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* @license GNU General Public License version 3 or later.
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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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namespace Kitodo\Dlf\Plugin;
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use Kitodo\Dlf\Common\Document;
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use Kitodo\Dlf\Common\Helper;
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use TYPO3\CMS\Core\Database\ConnectionPool;
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use TYPO3\CMS\Core\Utility\GeneralUtility;
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/**
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* Plugin 'Feeds' for the 'dlf' extension
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*
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* @author Sebastian Meyer <sebastian.meyer@slub-dresden.de>
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* @package TYPO3
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* @subpackage dlf
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* @access public
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*/
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class Feeds extends \Kitodo\Dlf\Common\AbstractPlugin
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{
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public $scriptRelPath = 'Classes/Plugin/Feeds.php';
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/**
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* The main method of the PlugIn
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*
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* @access public
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*
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* @param string $content: The PlugIn content
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* @param array $conf: The PlugIn configuration
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*
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* @return void
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*/
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public function main($content, $conf)
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{
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$this->init($conf);
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// Don't cache the output.
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$this->setCache(false);
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// Create XML document.
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$rss = new \DOMDocument('1.0', 'utf-8');
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// Add mandatory root element.
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$root = $rss->createElement('rss');
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$root->setAttribute('version', '2.0');
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// Add channel element.
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$channel = $rss->createElement('channel');
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$channel->appendChild($rss->createElement('title', htmlspecialchars($this->conf['title'], ENT_NOQUOTES, 'UTF-8')));
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$channel->appendChild($rss->createElement('link', htmlspecialchars(GeneralUtility::locationHeaderUrl($this->pi_linkTP_keepPIvars_url()), ENT_NOQUOTES, 'UTF-8')));
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if (!empty($this->conf['description'])) {
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$channel->appendChild($rss->createElement('description', htmlspecialchars($this->conf['description'], ENT_QUOTES, 'UTF-8')));
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}
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$queryBuilder = GeneralUtility::makeInstance(ConnectionPool::class)
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->getQueryBuilderForTable('tx_dlf_structures');
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$result = $queryBuilder
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->select('tx_dlf_libraries.label AS label')
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->from('tx_dlf_libraries')
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->where(
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$queryBuilder->expr()->eq('tx_dlf_libraries.pid', intval($this->conf['pages'])),
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$queryBuilder->expr()->eq('tx_dlf_libraries.uid', intval($this->conf['library'])),
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Helper::whereExpression('tx_dlf_libraries')
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)
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->setMaxResults(1)
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->execute();
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$allResults = $result->fetchAll();
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if (count($allResults) === 1) {
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$resArray = $allResults[0];
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$channel->appendChild($rss->createElement('copyright', htmlspecialchars($resArray['label'], ENT_NOQUOTES, 'UTF-8')));
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}
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$channel->appendChild($rss->createElement('pubDate', date('r', $GLOBALS['EXEC_TIME'])));
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$channel->appendChild($rss->createElement('generator', htmlspecialchars($this->conf['useragent'], ENT_NOQUOTES, 'UTF-8')));
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// Add item elements.
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if (
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!$this->conf['excludeOther']
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|| empty($this->piVars['collection'])
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|| \TYPO3\CMS\Core\Utility\GeneralUtility::inList($this->conf['collections'], $this->piVars['collection'])
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) {
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$additionalWhere = '';
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// Check for pre-selected collections.
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if (!empty($this->piVars['collection'])) {
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$additionalWhere = 'tx_dlf_collections.uid=' . intval($this->piVars['collection']);
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} elseif (!empty($this->conf['collections'])) {
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$additionalWhere = 'tx_dlf_collections.uid IN (' . implode(',', GeneralUtility::intExplode(',', $this->conf['collections'])) . ')';
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}
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$queryBuilder = GeneralUtility::makeInstance(ConnectionPool::class)
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->getQueryBuilderForTable('tx_dlf_documents');
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$result = $queryBuilder
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->select(
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'tx_dlf_documents.uid AS uid',
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'tx_dlf_documents.partof AS partof',
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'tx_dlf_documents.title AS title',
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'tx_dlf_documents.volume AS volume',
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'tx_dlf_documents.author AS author',
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'tx_dlf_documents.record_id AS guid',
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'tx_dlf_documents.tstamp AS tstamp',
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'tx_dlf_documents.crdate AS crdate'
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)
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->from('tx_dlf_documents')
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->join(
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'tx_dlf_documents',
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'tx_dlf_relations',
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'tx_dlf_documents_collections_mm',
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$queryBuilder->expr()->eq('tx_dlf_documents.uid', $queryBuilder->quoteIdentifier('tx_dlf_documents_collections_mm.uid_local'))
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)
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->join(
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'tx_dlf_documents_collections_mm',
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'tx_dlf_collections',
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'tx_dlf_collections',
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$queryBuilder->expr()->eq('tx_dlf_collections.uid', $queryBuilder->quoteIdentifier('tx_dlf_documents_collections_mm.uid_foreign'))
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)
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->where(
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$queryBuilder->expr()->eq('tx_dlf_documents.pid', $queryBuilder->createNamedParameter((int)$this->conf['pages'])),
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$queryBuilder->expr()->eq('tx_dlf_documents_collections_mm.ident', $queryBuilder->createNamedParameter('docs_colls')),
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$queryBuilder->expr()->eq('tx_dlf_collections.pid', $queryBuilder->createNamedParameter((int)$this->conf['pages'])),
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$additionalWhere,
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Helper::whereExpression('tx_dlf_documents'),
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Helper::whereExpression('tx_dlf_collections'),
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)
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->groupBy('tx_dlf_documents.uid')
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->orderBy('tx_dlf_documents.tstamp', 'DESC')
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->setMaxResults((int)$this->conf['limit'])
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->execute();
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$rows = $result->fetchAll();
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if (count($rows) > 0) {
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// Add each record as item element.
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foreach ($rows as $resArray) {
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$item = $rss->createElement('item');
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$title = '';
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// Get title of superior document.
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if ((empty($resArray['title']) || !empty($this->conf['prependSuperiorTitle']))
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&& !empty($resArray['partof'])
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) {
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$superiorTitle = Document::getTitle($resArray['partof'], true);
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if (!empty($superiorTitle)) {
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$title .= '[' . $superiorTitle . ']';
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}
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}
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// Get title of document.
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if (!empty($resArray['title'])) {
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$title .= ' ' . $resArray['title'];
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}
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// Set default title if empty.
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if (empty($title)) {
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$title = $this->pi_getLL('noTitle');
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}
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// Append volume information.
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if (!empty($resArray['volume'])) {
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$title .= ', ' . $this->pi_getLL('volume') . ' ' . $resArray['volume'];
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}
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// Is this document new or updated?
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if ($resArray['crdate'] == $resArray['tstamp']) {
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$title = $this->pi_getLL('new') . ' ' . trim($title);
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} else {
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$title = $this->pi_getLL('update') . ' ' . trim($title);
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}
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$item->appendChild($rss->createElement('title', htmlspecialchars($title, ENT_NOQUOTES, 'UTF-8')));
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// Add link.
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$linkConf = [
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'parameter' => $this->conf['targetPid'],
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'forceAbsoluteUrl' => 1,
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'forceAbsoluteUrl.' => ['scheme' => !empty($this->conf['forceAbsoluteUrlHttps']) ? 'https' : 'http'],
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'additionalParams' => \TYPO3\CMS\Core\Utility\GeneralUtility::implodeArrayForUrl($this->prefixId, ['id' => $resArray['uid']], '', true, false)
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];
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$item->appendChild($rss->createElement('link', htmlspecialchars($this->cObj->typoLink_URL($linkConf), ENT_NOQUOTES, 'UTF-8')));
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// Add author if applicable.
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if (!empty($resArray['author'])) {
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$item->appendChild($rss->createElement('author', htmlspecialchars($resArray['author'], ENT_NOQUOTES, 'UTF-8')));
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}
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// Add online publication date.
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$item->appendChild($rss->createElement('pubDate', date('r', $resArray['crdate'])));
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// Add internal record identifier.
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$item->appendChild($rss->createElement('guid', htmlspecialchars($resArray['guid'], ENT_NOQUOTES, 'UTF-8')));
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$channel->appendChild($item);
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}
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}
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}
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$root->appendChild($channel);
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// Build XML output.
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$rss->appendChild($root);
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$content = $rss->saveXML();
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// Clean output buffer.
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ob_end_clean();
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// Send headers.
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header('HTTP/1.1 200 OK');
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header('Cache-Control: no-cache');
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header('Content-Length: ' . strlen($content));
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header('Content-Type: application/rss+xml; charset=utf-8');
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header('Date: ' . date('r', $GLOBALS['EXEC_TIME']));
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header('Expires: ' . date('r', $GLOBALS['EXEC_TIME']));
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echo $content;
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exit;
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}
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}
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