Diff: STRATO-apps/wordpress_03/app/wp-content/plugins/aimogen-pro/res/simplepie/src/Cache/Memcached.php

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1 + <?php
2 +
3 + /**
4 + * SimplePie
5 + *
6 + * A PHP-Based RSS and Atom Feed Framework.
7 + * Takes the hard work out of managing a complete RSS/Atom solution.
8 + *
9 + * Copyright (c) 2004-2022, Ryan Parman, Sam Sneddon, Ryan McCue, and contributors
10 + * All rights reserved.
11 + *
12 + * Redistribution and use in source and binary forms, with or without modification, are
13 + * permitted provided that the following conditions are met:
14 + *
15 + * * Redistributions of source code must retain the above copyright notice, this list of
16 + * conditions and the following disclaimer.
17 + *
18 + * * Redistributions in binary form must reproduce the above copyright notice, this list
19 + * of conditions and the following disclaimer in the documentation and/or other materials
20 + * provided with the distribution.
21 + *
22 + * * Neither the name of the SimplePie Team nor the names of its contributors may be used
23 + * to endorse or promote products derived from this software without specific prior
24 + * written permission.
25 + *
26 + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS
27 + * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
28 + * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS
29 + * AND CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
30 + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
31 + * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
32 + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
33 + * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
34 + * POSSIBILITY OF SUCH DAMAGE.
35 + *
36 + * @package SimplePie
37 + * @copyright 2004-2016 Ryan Parman, Sam Sneddon, Ryan McCue
38 + * @author Ryan Parman
39 + * @author Sam Sneddon
40 + * @author Ryan McCue
41 + * @link http://simplepie.org/ SimplePie
42 + * @license http://www.opensource.org/licenses/bsd-license.php BSD License
43 + */
44 +
45 + namespace SimplePie\Cache;
46 +
47 + use Memcached as NativeMemcached;
48 +
49 + /**
50 + * Caches data to memcached
51 + *
52 + * Registered for URLs with the "memcached" protocol
53 + *
54 + * For example, `memcached://localhost:11211/?timeout=3600&prefix=sp_` will
55 + * connect to memcached on `localhost` on port 11211. All tables will be
56 + * prefixed with `sp_` and data will expire after 3600 seconds
57 + *
58 + * @package SimplePie
59 + * @subpackage Caching
60 + * @author Paul L. McNeely
61 + * @uses Memcached
62 + * @deprecated since SimplePie 1.8.0, use implementation of "Psr\SimpleCache\CacheInterface" instead
63 + */
64 + class Memcached implements Base
65 + {
66 + /**
67 + * NativeMemcached instance
68 + * @var NativeMemcached
69 + */
70 + protected $cache;
71 +
72 + /**
73 + * Options
74 + * @var array
75 + */
76 + protected $options;
77 +
78 + /**
79 + * Cache name
80 + * @var string
81 + */
82 + protected $name;
83 +
84 + /**
85 + * Create a new cache object
86 + * @param string $location Location string (from SimplePie::$cache_location)
87 + * @param string $name Unique ID for the cache
88 + * @param Base::TYPE_FEED|Base::TYPE_IMAGE $type Either TYPE_FEED for SimplePie data, or TYPE_IMAGE for image data
89 + */
90 + public function __construct($location, $name, $type)
91 + {
92 + $this->options = [
93 + 'host' => '127.0.0.1',
94 + 'port' => 11211,
95 + 'extras' => [
96 + 'timeout' => 3600, // one hour
97 + 'prefix' => 'simplepie_',
98 + ],
99 + ];
100 + $this->options = array_replace_recursive($this->options, \SimplePie\Cache::parse_URL($location));
101 +
102 + $this->name = $this->options['extras']['prefix'] . md5("$name:$type");
103 +
104 + $this->cache = new NativeMemcached();
105 + $this->cache->addServer($this->options['host'], (int)$this->options['port']);
106 + }
107 +
108 + /**
109 + * Save data to the cache
110 + * @param array|\SimplePie\SimplePie $data Data to store in the cache. If passed a SimplePie object, only cache the $data property
111 + * @return bool Successfulness
112 + */
113 + public function save($data)
114 + {
115 + if ($data instanceof \SimplePie\SimplePie) {
116 + $data = $data->data;
117 + }
118 +
119 + return $this->setData(serialize($data));
120 + }
121 +
122 + /**
123 + * Retrieve the data saved to the cache
124 + * @return array Data for SimplePie::$data
125 + */
126 + public function load()
127 + {
128 + $data = $this->cache->get($this->name);
129 +
130 + if ($data !== false) {
131 + return unserialize($data);
132 + }
133 + return false;
134 + }
135 +
136 + /**
137 + * Retrieve the last modified time for the cache
138 + * @return int Timestamp
139 + */
140 + public function mtime()
141 + {
142 + $data = $this->cache->get($this->name . '_mtime');
143 + return (int) $data;
144 + }
145 +
146 + /**
147 + * Set the last modified time to the current time
148 + * @return bool Success status
149 + */
150 + public function touch()
151 + {
152 + $data = $this->cache->get($this->name);
153 + return $this->setData($data);
154 + }
155 +
156 + /**
157 + * Remove the cache
158 + * @return bool Success status
159 + */
160 + public function unlink()
161 + {
162 + return $this->cache->delete($this->name, 0);
163 + }
164 +
165 + /**
166 + * Set the last modified time and data to NativeMemcached
167 + * @return bool Success status
168 + */
169 + private function setData($data)
170 + {
171 + if ($data !== false) {
172 + $this->cache->set($this->name . '_mtime', time(), (int)$this->options['extras']['timeout']);
173 + return $this->cache->set($this->name, $data, (int)$this->options['extras']['timeout']);
174 + }
175 +
176 + return false;
177 + }
178 + }
179 +
180 + class_alias('SimplePie\Cache\Memcached', 'SimplePie_Cache_Memcached');
181 +