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<?php
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/**
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 * SimplePie
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 *
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 * A PHP-Based RSS and Atom Feed Framework.
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 * Takes the hard work out of managing a complete RSS/Atom solution.
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 *
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 * Copyright (c) 2004-2022, Ryan Parman, Sam Sneddon, Ryan McCue, and contributors
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 * All rights reserved.
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 *
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 * Redistribution and use in source and binary forms, with or without modification, are
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 * permitted provided that the following conditions are met:
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 *
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 * 	* Redistributions of source code must retain the above copyright notice, this list of
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 * 	  conditions and the following disclaimer.
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 *
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 * 	* Redistributions in binary form must reproduce the above copyright notice, this list
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 * 	  of conditions and the following disclaimer in the documentation and/or other materials
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 * 	  provided with the distribution.
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 *
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 * 	* Neither the name of the SimplePie Team nor the names of its contributors may be used
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 * 	  to endorse or promote products derived from this software without specific prior
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 * 	  written permission.
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 *
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 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS
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 * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
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 * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS
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 * AND CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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 * POSSIBILITY OF SUCH DAMAGE.
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 *
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 * @package SimplePie
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 * @copyright 2004-2016 Ryan Parman, Sam Sneddon, Ryan McCue
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 * @author Ryan Parman
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 * @author Sam Sneddon
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 * @author Ryan McCue
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 * @link http://simplepie.org/ SimplePie
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 * @license http://www.opensource.org/licenses/bsd-license.php BSD License
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 */
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namespace SimplePie\Cache;
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/**
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 * Caches data to the filesystem
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 *
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 * @package SimplePie
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 * @subpackage Caching
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 * @deprecated since SimplePie 1.8.0, use implementation of "Psr\SimpleCache\CacheInterface" instead
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 */
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class File implements Base
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{
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    /**
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     * Location string
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     *
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     * @see SimplePie::$cache_location
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     * @var string
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     */
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    protected $location;
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    /**
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     * Filename
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     *
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     * @var string
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     */
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    protected $filename;
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    /**
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     * File extension
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     *
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     * @var string
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     */
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    protected $extension;
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    /**
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     * File path
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     *
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     * @var string
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     */
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    protected $name;
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    /**
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     * Create a new cache object
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     *
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     * @param string $location Location string (from SimplePie::$cache_location)
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     * @param string $name Unique ID for the cache
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     * @param Base::TYPE_FEED|Base::TYPE_IMAGE $type Either TYPE_FEED for SimplePie data, or TYPE_IMAGE for image data
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     */
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    public function __construct($location, $name, $type)
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    {
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        $this->location = $location;
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        $this->filename = $name;
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        $this->extension = $type;
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        $this->name = "$this->location/$this->filename.$this->extension";
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    }
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    /**
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     * Save data to the cache
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     *
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     * @param array|\SimplePie\SimplePie $data Data to store in the cache. If passed a SimplePie object, only cache the $data property
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     * @return bool Successfulness
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     */
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    public function save($data)
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    {
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        if (file_exists($this->name) && is_writable($this->name) || file_exists($this->location) && is_writable($this->location)) {
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            if ($data instanceof \SimplePie\SimplePie) {
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                $data = $data->data;
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            }
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            $data = serialize($data);
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            return (bool) file_put_contents($this->name, $data);
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        }
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        return false;
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    }
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    /**
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     * Retrieve the data saved to the cache
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     *
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     * @return array Data for SimplePie::$data
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     */
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    public function load()
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    {
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        if (file_exists($this->name) && is_readable($this->name)) {
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            return unserialize(file_get_contents($this->name));
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        }
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        return false;
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    }
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    /**
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     * Retrieve the last modified time for the cache
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     *
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     * @return int Timestamp
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     */
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    public function mtime()
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    {
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        return @filemtime($this->name);
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    }
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    /**
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     * Set the last modified time to the current time
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     *
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     * @return bool Success status
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     */
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    public function touch()
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    {
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        return @touch($this->name);
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    }
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    /**
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     * Remove the cache
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     *
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     * @return bool Success status
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     */
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    public function unlink()
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    {
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        if (file_exists($this->name)) {
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            return unlink($this->name);
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        }
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        return false;
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    }
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}
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class_alias('SimplePie\Cache\File', 'SimplePie_Cache_File');