143 lines
3.7 KiB
PHP
143 lines
3.7 KiB
PHP
<?php
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// SPDX-FileCopyrightText: 2004-2023 Ryan Parman, Sam Sneddon, Ryan McCue
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// SPDX-FileCopyrightText: 2015 Paul L. McNeely
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// SPDX-License-Identifier: BSD-3-Clause
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declare(strict_types=1);
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namespace SimplePie\Cache;
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use Memcached as NativeMemcached;
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/**
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* Caches data to memcached
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*
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* Registered for URLs with the "memcached" protocol
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*
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* For example, `memcached://localhost:11211/?timeout=3600&prefix=sp_` will
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* connect to memcached on `localhost` on port 11211. All tables will be
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* prefixed with `sp_` and data will expire after 3600 seconds
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*
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* @uses Memcached
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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 Memcached implements Base
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{
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/**
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* NativeMemcached instance
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* @var NativeMemcached
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*/
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protected $cache;
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/**
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* Options
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* @var array<string, mixed>
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*/
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protected $options;
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/**
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* Cache name
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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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* @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(string $location, string $name, $type)
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{
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$this->options = [
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'host' => '127.0.0.1',
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'port' => 11211,
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'extras' => [
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'timeout' => 3600, // one hour
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'prefix' => 'simplepie_',
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],
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];
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$this->options = array_replace_recursive($this->options, \SimplePie\Cache::parse_URL($location));
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$this->name = $this->options['extras']['prefix'] . md5("$name:$type");
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$this->cache = new NativeMemcached();
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$this->cache->addServer($this->options['host'], (int)$this->options['port']);
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}
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/**
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* Save data to the cache
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* @param array<mixed>|\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 ($data instanceof \SimplePie\SimplePie) {
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$data = $data->data;
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}
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return $this->setData(serialize($data));
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}
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/**
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* Retrieve the data saved to the cache
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* @return array<mixed>|false Data for SimplePie::$data
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*/
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public function load()
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{
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$data = $this->cache->get($this->name);
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if ($data !== false) {
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return unserialize($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 last modified time for the cache
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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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$data = $this->cache->get($this->name . '_mtime');
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return (int) $data;
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}
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/**
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* Set the last modified time to the current time
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* @return bool Success status
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*/
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public function touch()
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{
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$data = $this->cache->get($this->name);
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return $this->setData($data);
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}
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/**
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* Remove the cache
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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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return $this->cache->delete($this->name, 0);
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}
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/**
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* Set the last modified time and data to NativeMemcached
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* @param string|false $data
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* @return bool Success status
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*/
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private function setData($data): bool
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{
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if ($data !== false) {
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$this->cache->set($this->name . '_mtime', time(), (int)$this->options['extras']['timeout']);
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return $this->cache->set($this->name, $data, (int)$this->options['extras']['timeout']);
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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\Memcached', 'SimplePie_Cache_Memcached');
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