memcache.php

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<?php
defined('XOOPS_ROOT_PATH') or die('Restricted access');

class XoopsCacheMemcache extends XoopsCacheEngine
{
    var $memcache = null;
    var $settings = array();
    function init($settings = array())
    {
        if (!class_exists('Memcache')) {
            return false;
        }
        parent::init($settings);
        $defaults = array(
            'servers' => array(
                '127.0.0.1') ,
            'compress' => false);
        $this->settings = array_merge($defaults, $this->settings);

        if (!$this->settings['compress']) {
            $this->settings['compress'] = MEMCACHE_COMPRESSED;
        }
        if (!is_array($this->settings['servers'])) {
            $this->settings['servers'] = array(
                $this->settings['servers']);
        }
        $this->memcache = null;
        $this->memcache = new Memcache();
        foreach ($this->settings['servers'] as $server) {
            $parts = explode(':', $server);
            $host = $parts[0];
            $port = 11211;
            if (isset($parts[1])) {
                $port = $parts[1];
            }
            if ($this->memcache->addServer($host, $port)) {
                return true;
            }
        }
        return false;
    }
    function write($key, &$value, $duration)
    {
        return $this->memcache->set($key, $value, $this->settings['compress'], $duration);
    }
    function read($key)
    {
        return $this->memcache->get($key);
    }
    function delete($key)
    {
        return $this->memcache->delete($key);
    }
    function clear()
    {
        return $this->memcache->flush();
    }
    function connect($host, $port = 11211)
    {
        if ($this->memcache->getServerStatus($host, $port) === 0) {
            if ($this->memcache->connect($host, $port)) {
                return true;
            }
            return false;
        }
        return true;
    }
}

?>