Search moodle.org's
Developer Documentation

See Release Notes

  • Bug fixes for general core bugs in 3.10.x will end 8 November 2021 (12 months).
  • Bug fixes for security issues in 3.10.x will end 9 May 2022 (18 months).
  • PHP version: minimum PHP 7.2.0 Note: minimum PHP version has increased since Moodle 3.8. PHP 7.3.x and 7.4.x are supported too.
<?php
/**
 * SimplePie
 *
 * A PHP-Based RSS and Atom Feed Framework.
 * Takes the hard work out of managing a complete RSS/Atom solution.
 *
< * Copyright (c) 2004-2016, Ryan Parman, Geoffrey Sneddon, Ryan McCue, and contributors
> * Copyright (c) 2004-2016, Ryan Parman, Sam Sneddon, Ryan McCue, and contributors
* All rights reserved. * * Redistribution and use in source and binary forms, with or without modification, are * permitted provided that the following conditions are met: * * * Redistributions of source code must retain the above copyright notice, this list of * conditions and the following disclaimer. * * * Redistributions in binary form must reproduce the above copyright notice, this list * of conditions and the following disclaimer in the documentation and/or other materials * provided with the distribution. * * * Neither the name of the SimplePie Team nor the names of its contributors may be used * to endorse or promote products derived from this software without specific prior * written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS * AND CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. * * @package SimplePie
< * @copyright 2004-2016 Ryan Parman, Geoffrey Sneddon, Ryan McCue
> * @copyright 2004-2016 Ryan Parman, Sam Sneddon, Ryan McCue
* @author Ryan Parman
< * @author Geoffrey Sneddon
> * @author Sam Sneddon
* @author Ryan McCue * @link http://simplepie.org/ SimplePie * @license http://www.opensource.org/licenses/bsd-license.php BSD License */ /** * Base class for database-based caches * * @package SimplePie * @subpackage Caching */ abstract class SimplePie_Cache_DB implements SimplePie_Cache_Base { /** * Helper for database conversion * * Converts a given {@see SimplePie} object into data to be stored * * @param SimplePie $data * @return array First item is the serialized data for storage, second item is the unique ID for this item */ protected static function prepare_simplepie_object_for_cache($data) { $items = $data->get_items(); $items_by_id = array(); if (!empty($items)) { foreach ($items as $item) { $items_by_id[$item->get_id()] = $item; } if (count($items_by_id) !== count($items)) { $items_by_id = array(); foreach ($items as $item) { $items_by_id[$item->get_id(true)] = $item; } } if (isset($data->data['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['feed'][0])) { $channel =& $data->data['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['feed'][0]; } elseif (isset($data->data['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['feed'][0])) { $channel =& $data->data['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['feed'][0]; } elseif (isset($data->data['child'][SIMPLEPIE_NAMESPACE_RDF]['RDF'][0])) { $channel =& $data->data['child'][SIMPLEPIE_NAMESPACE_RDF]['RDF'][0]; } elseif (isset($data->data['child'][SIMPLEPIE_NAMESPACE_RSS_20]['rss'][0]['child'][SIMPLEPIE_NAMESPACE_RSS_20]['channel'][0])) { $channel =& $data->data['child'][SIMPLEPIE_NAMESPACE_RSS_20]['rss'][0]['child'][SIMPLEPIE_NAMESPACE_RSS_20]['channel'][0]; } else { $channel = null; } if ($channel !== null) { if (isset($channel['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['entry'])) { unset($channel['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['entry']); } if (isset($channel['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['entry'])) { unset($channel['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['entry']); } if (isset($channel['child'][SIMPLEPIE_NAMESPACE_RSS_10]['item'])) { unset($channel['child'][SIMPLEPIE_NAMESPACE_RSS_10]['item']); } if (isset($channel['child'][SIMPLEPIE_NAMESPACE_RSS_090]['item'])) { unset($channel['child'][SIMPLEPIE_NAMESPACE_RSS_090]['item']); } if (isset($channel['child'][SIMPLEPIE_NAMESPACE_RSS_20]['item'])) { unset($channel['child'][SIMPLEPIE_NAMESPACE_RSS_20]['item']); } } if (isset($data->data['items'])) { unset($data->data['items']); } if (isset($data->data['ordered_items'])) { unset($data->data['ordered_items']); } } return array(serialize($data->data), $items_by_id); } }