Memcache

24class Memcache implements Base25{26    /**27     * Memcache instance28     *29     * @var NativeMemcache30     */31    protected $cache;32 33    /**34     * Options35     *36     * @var array<string, mixed>37     */38    protected $options;39 40    /**41     * Cache name42     *43     * @var string44     */45    protected $name;46 47    /**48     * Create a new cache object49     *50     * @param string $location Location string (from SimplePie::$cache_location)51     * @param string $name Unique ID for the cache52     * @param Base::TYPE_FEED|Base::TYPE_IMAGE $type Either TYPE_FEED for SimplePie data, or TYPE_IMAGE for image data53     */54    public function __construct(string $location, string $name, $type)55    {56        $this->options = [57            'host' => '127.0.0.1',58            'port' => 11211,59            'extras' => [60                'timeout' => 3600, // one hour61                'prefix' => 'simplepie_',62            ],63        ];64        $this->options = array_replace_recursive($this->options, \SimplePie\Cache::parse_URL($location));65 66        $this->name = $this->options['extras']['prefix'] . md5("$name:$type");67 68        $this->cache = new NativeMemcache();69        $this->cache->addServer($this->options['host'], (int) $this->options['port']);70    }71 72    /**73     * Save data to the cache74     *75     * @param array<mixed>|\SimplePie\SimplePie $data Data to store in the cache. If passed a SimplePie object, only cache the $data property76     * @return bool Successfulness77     */78    public function save($data)79    {80        if ($data instanceof \SimplePie\SimplePie) {81            $data = $data->data;82        }83        return $this->cache->set($this->name, serialize($data), MEMCACHE_COMPRESSED, (int) $this->options['extras']['timeout']);84    }85 86    /**87     * Retrieve the data saved to the cache88     *89     * @return array<mixed>|false Data for SimplePie::$data90     */91    public function load()92    {93        $data = $this->cache->get($this->name);94 95        if ($data !== false) {96            return unserialize($data);97        }98        return false;99    }100 101    /**102     * Retrieve the last modified time for the cache103     *