<?php

/**

 * SimplePie

 *

 * A PHP-Based RSS and Atom Feed Framework.

 * Takes the hard work out of managing a complete RSS/Atom solution.

 *

 * Copyright (c) 2004-2022, 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

 */

namespace SimplePie\Cache;

/**

 * Caches data to the filesystem

 *

 * @package SimplePie

 * @subpackage Caching

 * @deprecated since SimplePie 1.8.0, use implementation of "Psr\SimpleCache\CacheInterface" instead

 */

class File implements Base

{

    /**

     * Location string

     *

     * @see SimplePie::$cache_location

     * @var string

     */

    protected $location;

    /**

     * Filename

     *

     * @var string

     */

    protected $filename;

    /**

     * File extension

     *

     * @var string

     */

    protected $extension;

    /**

     * File path

     *

     * @var string

     */

    protected $name;

    /**

     * Create a new cache object

     *

     * @param string $location Location string (from SimplePie::$cache_location)

     * @param string $name Unique ID for the cache

     * @param Base::TYPE_FEED|Base::TYPE_IMAGE $type Either TYPE_FEED for SimplePie data, or TYPE_IMAGE for image data

     */

    public function __construct($location, $name, $type)

    {

        $this->location = $location;

        $this->filename = $name;

        $this->extension = $type;

        $this->name = "$this->location/$this->filename.$this->extension";

    }

    /**

     * Save data to the cache

     *

     * @param array|\SimplePie\SimplePie $data Data to store in the cache. If passed a SimplePie object, only cache the $data property

     * @return bool Successfulness

     */

    public function save($data)

    {

        if (file_exists($this->name) && is_writable($this->name) || file_exists($this->location) && is_writable($this->location)) {

            if ($data instanceof \SimplePie\SimplePie) {

                $data = $data->data;

            }

            $data = serialize($data);

            return (bool) file_put_contents($this->name, $data);

        }

        return false;

    }

    /**

     * Retrieve the data saved to the cache

     *

     * @return array Data for SimplePie::$data

     */

    public function load()

    {

        if (file_exists($this->name) && is_readable($this->name)) {

            return unserialize(file_get_contents($this->name));

        }

        return false;

    }

    /**

     * Retrieve the last modified time for the cache

     *

     * @return int Timestamp

     */

    public function mtime()

    {

        return @filemtime($this->name);

    }

    /**

     * Set the last modified time to the current time

     *

     * @return bool Success status

     */

    public function touch()

    {

        return @touch($this->name);

    }

    /**

     * Remove the cache

     *

     * @return bool Success status

     */

    public function unlink()

    {

        if (file_exists($this->name)) {

            return unlink($this->name);

        }

        return false;

    }

}

class_alias('SimplePie\Cache\File', 'SimplePie_Cache_File');