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 * Caches data to the filesystem 50 * 51 * @package SimplePie 52 * @subpackage Caching 53 * @deprecated since SimplePie 1.8.0, use implementation of "Psr\SimpleCache\CacheInterface" instead 54 */ 55 class File implements Base 56 { 57 /** 58 * Location string 59 * 60 * @see SimplePie::$cache_location 61 * @var string 62 */ 63 protected $location; 64 65 /** 66 * Filename 67 * 68 * @var string 69 */ 70 protected $filename; 71 72 /** 73 * File extension 74 * 75 * @var string 76 */ 77 protected $extension; 78 79 /** 80 * File path 81 * 82 * @var string 83 */ 84 protected $name; 85 86 /** 87 * Create a new cache object 88 * 89 * @param string $location Location string (from SimplePie::$cache_location) 90 * @param string $name Unique ID for the cache 91 * @param Base::TYPE_FEED|Base::TYPE_IMAGE $type Either TYPE_FEED for SimplePie data, or TYPE_IMAGE for image data 92 */ 93 public function __construct($location, $name, $type) 94 { 95 $this->location = $location; 96 $this->filename = $name; 97 $this->extension = $type; 98 $this->name = "$this->location/$this->filename.$this->extension"; 99 } 100 101 /** 102 * Save data to the cache 103 * 104 * @param array|\SimplePie\SimplePie $data Data to store in the cache. If passed a SimplePie object, only cache the $data property 105 * @return bool Successfulness 106 */ 107 public function save($data) 108 { 109 if (file_exists($this->name) && is_writable($this->name) || file_exists($this->location) && is_writable($this->location)) { 110 if ($data instanceof \SimplePie\SimplePie) { 111 $data = $data->data; 112 } 113 114 $data = serialize($data); 115 return (bool) file_put_contents($this->name, $data); 116 } 117 return false; 118 } 119 120 /** 121 * Retrieve the data saved to the cache 122 * 123 * @return array Data for SimplePie::$data 124 */ 125 public function load() 126 { 127 if (file_exists($this->name) && is_readable($this->name)) { 128 return unserialize(file_get_contents($this->name)); 129 } 130 return false; 131 } 132 133 /** 134 * Retrieve the last modified time for the cache 135 * 136 * @return int Timestamp 137 */ 138 public function mtime() 139 { 140 return @filemtime($this->name); 141 } 142 143 /** 144 * Set the last modified time to the current time 145 * 146 * @return bool Success status 147 */ 148 public function touch() 149 { 150 return @touch($this->name); 151 } 152 153 /** 154 * Remove the cache 155 * 156 * @return bool Success status 157 */ 158 public function unlink() 159 { 160 if (file_exists($this->name)) { 161 return unlink($this->name); 162 } 163 return false; 164 } 165 } 166 167 class_alias('SimplePie\Cache\File', 'SimplePie_Cache_File');
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