Memcache.php

gehe zur Dokumentation dieser Datei

<?php
class SimplePie_Cache_Memcache implements SimplePie_Cache_Base
{
        protected $cache;

        protected $options;

        protected $name;

        public function __construct($location, $name, $type)
        {
                $this->options = array(
                        'host' => '127.0.0.1',
                        'port' => 11211,
                        'extras' => array(
                                'timeout' => 3600, // one hour
                                'prefix' => 'simplepie_',
                        ),
                );
                $parsed = SimplePie_Cache::parse_URL($location);
                $this->options['host'] = empty($parsed['host']) ? $this->options['host'] : $parsed['host'];
                $this->options['port'] = empty($parsed['port']) ? $this->options['port'] : $parsed['port'];
                $this->options['extras'] = array_merge($this->options['extras'], $parsed['extras']);
                $this->name = $this->options['extras']['prefix'] . md5("$name:$type");

                $this->cache = new Memcache();
                $this->cache->addServer($this->options['host'], (int) $this->options['port']);
        }

        public function save($data)
        {
                if ($data instanceof SimplePie)
                {
                        $data = $data->data;
                }
                return $this->cache->set($this->name, serialize($data), MEMCACHE_COMPRESSED, (int) $this->options['extras']['timeout']);
        }

        public function load()
        {
                $data = $this->cache->get($this->name);

                if ($data !== false)
                {
                        return unserialize($data);
                }
                return false;
        }

        public function mtime()
        {
                $data = $this->cache->get($this->name);

                if ($data !== false)
                {
                        // essentially ignore the mtime because Memcache expires on it's own
                        return time();
                }

                return false;
        }

        public function touch()
        {
                $data = $this->cache->get($this->name);

                if ($data !== false)
                {
                        return $this->cache->set($this->name, $data, MEMCACHE_COMPRESSED, (int) $this->duration);
                }

                return false;
        }

        public function unlink()
        {
                return $this->cache->delete($this->name, 0);
        }
}