Php/zend framework/zend session/memcached

bootstrap.php

protected function _initSession()
{
    // applicationコンフィグロード
    $config = new Zend_Config_Ini(APPLICATION_PATH . '/configs/application.ini', APPLICATION_ENV);
    // memcached接続設定
    $frontendOptions = array(
        'caching' => true,
        'lifetime' => 864000,
        'automatic_serialization' => true,
    );
    // memcachedサーバ設定
    $backendOptions = array(
        'servers' =>array(
            array(
                'host' => $config->memcache->host,
                'port' => $config->memcache->port,
            )
        ),
    );
    Zend_Loader::loadClass('Custom_Session_SaveHandler_Memcached');
    $cache = Zend_Cache::factory('Core', 'Memcached', $frontendOptions, $backendOptions);
    Zend_Session::setSaveHandler(new Custom_Session_SaveHandler_Memcached($cache));
    // sessionコンフィグロード
    $config = new Zend_Config_Ini(APPLICATION_PATH . '/configs/session.ini', APPLICATION_ENV);
    // sessionオプション設定
    Zend_Session::setOptions($config->toArray());
    Zend_Session::start();
}

Custom/Session/SaveHandler/Memcached.php

<?php
require_once 'Zend/Session/SaveHandler/Interface.php';
class Custom_Session_SaveHandler_Memcached implements Zend_Session_SaveHandler_Interface
{
    private $_cache = ;
    public function __construct($cacheHandler)
    {
        $this->_cache = $cacheHandler;
    }
    public function open($save_path, $name)
    {
        return true;
    }
    public function close()
    {
        return true;
    }
    public function read($id)
    {
        if (!($data = $this->_cache->load($id))) {
            return ;
        } else {
            return $data;
        }
    }
    public function write($id, $data)
    {
        if (!preg_match("/^[a-zA-Z0-9_]+$/", $id)) return false;
        $this->_cache->save($data, $id, array(), $this->_cache->getOption('lifetime'));
        return true;
    }
    public function destroy($id)
    {
        $this->_cache->remove($id);
        return true;
    }
    public function gc($notusedformemcache)
    {
        return true;
    }
}

configs/application.ini

[production]
memcache.host = "localhost"
memcache.port = "11211"

configs/session.ini

[production]
; セッション再設定から期限までの秒
cookie_lifetime = 8640000
; セッション初回設定から期限までの秒
gc_maxlifetime = 86400000

参考URL

http://zend-framework-community.634137.n4.nabble.com/Conflict-between-Zend-Session-setSaveHandler-memcache-and-session-save-handler-memcache-td655782.html http://www.vexedmonkey.com/2008/08/01/zend-framework-sessions-in-memcache/

memcache単体の設定方法

php/memcachedメモ [ｼｮｰﾄｶｯﾄ]