Memcached

64class Memcached implements Base65{66    /**67     * NativeMemcached instance68     * @var NativeMemcached69     */70    protected $cache;71 72    /**73     * Options74     * @var array75     */76    protected $options;77 78    /**79     * Cache name80     * @var string81     */82    protected $name;83 84    /**85     * Create a new cache object86     * @param string $location Location string (from SimplePie::$cache_location)87     * @param string $name Unique ID for the cache88     * @param Base::TYPE_FEED|Base::TYPE_IMAGE $type Either TYPE_FEED for SimplePie data, or TYPE_IMAGE for image data89     */90    public function __construct($location, $name, $type)91    {92        $this->options = [93            'host'   => '127.0.0.1',94            'port'   => 11211,95            'extras' => [96                'timeout' => 3600, // one hour97                '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 cache110     * @param array|\SimplePie\SimplePie $data Data to store in the cache. If passed a SimplePie object, only cache the $data property111     * @return bool Successfulness112     */113    public function save($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 cache124     * @return array Data for SimplePie::$data125     */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 cache138     * @return int Timestamp139     */140    public function mtime()141    {142        $data = $this->cache->get($this->name . '_mtime');143        return (int) $data;