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   1  <?php
   2  
   3  declare(strict_types=1);
   4  /**
   5   * SimplePie
   6   *
   7   * A PHP-Based RSS and Atom Feed Framework.
   8   * Takes the hard work out of managing a complete RSS/Atom solution.
   9   *
  10   * Copyright (c) 2004-2022, Ryan Parman, Sam Sneddon, Ryan McCue, and contributors
  11   * All rights reserved.
  12   *
  13   * Redistribution and use in source and binary forms, with or without modification, are
  14   * permitted provided that the following conditions are met:
  15   *
  16   * 	 * Redistributions of source code must retain the above copyright notice, this list of
  17   * 	   conditions and the following disclaimer.
  18   *
  19   * 	 * Redistributions in binary form must reproduce the above copyright notice, this list
  20   * 	   of conditions and the following disclaimer in the documentation and/or other materials
  21   * 	   provided with the distribution.
  22   *
  23   * 	 * Neither the name of the SimplePie Team nor the names of its contributors may be used
  24   * 	   to endorse or promote products derived from this software without specific prior
  25   * 	   written permission.
  26   *
  27   * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS
  28   * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
  29   * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS
  30   * AND CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  31   * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
  32   * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  33   * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
  34   * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  35   * POSSIBILITY OF SUCH DAMAGE.
  36   *
  37   * @package SimplePie
  38   * @copyright 2004-2016 Ryan Parman, Sam Sneddon, Ryan McCue
  39   * @author Ryan Parman
  40   * @author Sam Sneddon
  41   * @author Ryan McCue
  42   * @link http://simplepie.org/ SimplePie
  43   * @license http://www.opensource.org/licenses/bsd-license.php BSD License
  44   */
  45  
  46  namespace SimplePie\Cache;
  47  
  48  /**
  49   * Base for cache objects
  50   *
  51   * Classes to be used with {@see \SimplePie\Cache::register()} are expected
  52   * to implement this interface.
  53   *
  54   * @package SimplePie
  55   * @subpackage Caching
  56   * @deprecated since SimplePie 1.8.0, use "Psr\SimpleCache\CacheInterface" instead
  57   */
  58  interface Base
  59  {
  60      /**
  61       * Feed cache type
  62       *
  63       * @var string
  64       */
  65      public const TYPE_FEED = 'spc';
  66  
  67      /**
  68       * Image cache type
  69       *
  70       * @var string
  71       */
  72      public const TYPE_IMAGE = 'spi';
  73  
  74      /**
  75       * Create a new cache object
  76       *
  77       * @param string $location Location string (from SimplePie::$cache_location)
  78       * @param string $name Unique ID for the cache
  79       * @param Base::TYPE_FEED|Base::TYPE_IMAGE $type Either TYPE_FEED for SimplePie data, or TYPE_IMAGE for image data
  80       */
  81      public function __construct($location, $name, $type);
  82  
  83      /**
  84       * Save data to the cache
  85       *
  86       * @param array|\SimplePie\SimplePie $data Data to store in the cache. If passed a SimplePie object, only cache the $data property
  87       * @return bool Successfulness
  88       */
  89      public function save($data);
  90  
  91      /**
  92       * Retrieve the data saved to the cache
  93       *
  94       * @return array Data for SimplePie::$data
  95       */
  96      public function load();
  97  
  98      /**
  99       * Retrieve the last modified time for the cache
 100       *
 101       * @return int Timestamp
 102       */
 103      public function mtime();
 104  
 105      /**
 106       * Set the last modified time to the current time
 107       *
 108       * @return bool Success status
 109       */
 110      public function touch();
 111  
 112      /**
 113       * Remove the cache
 114       *
 115       * @return bool Success status
 116       */
 117      public function unlink();
 118  }
 119  
 120  class_alias('SimplePie\Cache\Base', 'SimplePie_Cache_Base');