<?php

> 
/**
> declare(strict_types=1);


 * 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, Sam Sneddon, Ryan McCue, and contributors



>  * Copyright (c) 2004-2022, 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, Sam Sneddon, Ryan McCue
 * @author Ryan Parman
 * @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();



> use SimplePie\Cache\DB;




< 		if (!empty($items))
< 		{
< 			foreach ($items as $item)
< 			{
< 				$items_by_id[$item->get_id()] = $item;
< 			}



> class_exists('SimplePie\Cache\DB');




< 			if (count($items_by_id) !== count($items))
< 			{
< 				$items_by_id = array();
< 				foreach ($items as $item)
< 				{
< 					$items_by_id[$item->get_id(true)] = $item;
< 				}
< 			}



> // @trigger_error(sprintf('Using the "SimplePie_Cache_DB" class is deprecated since SimplePie 1.7.0, use "SimplePie\Cache\DB" instead.'), \E_USER_DEPRECATED);




< 			if (isset($data->data['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['feed'][0]))



> if (\false) {
>     /** @deprecated since SimplePie 1.7.0, use "SimplePie\Cache\DB" instead */
>     abstract class SimplePie_Cache_DB extends DB


			{

< 				$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);


	}
}