<?php␊ |
/* -*- tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */␊ |
/*␊ |
# ***** BEGIN LICENSE BLOCK *****␊ |
# This file is part of Plume Framework, a simple PHP Application Framework.␊ |
# Copyright (C) 2001-2007 Loic d'Anterroches and contributors.␊ |
#␊ |
# Plume Framework is free software; you can redistribute it and/or modify␊ |
# it under the terms of the GNU Lesser General Public License as published by␊ |
# the Free Software Foundation; either version 2.1 of the License, or␊ |
# (at your option) any later version.␊ |
#␊ |
# Plume Framework is distributed in the hope that it will be useful,␊ |
# but WITHOUT ANY WARRANTY; without even the implied warranty of␊ |
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the␊ |
# GNU Lesser General Public License for more details.␊ |
#␊ |
# You should have received a copy of the GNU Lesser General Public License␊ |
# along with this program; if not, write to the Free Software␊ |
# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA␊ |
#␊ |
# ***** END LICENSE BLOCK ***** */␊ |
␊ |
/**␊ |
* Memcached based cache.␊ |
*␊ |
* A special 'cache_memcached_keyprefix' can be set to use one␊ |
* memcached for different applications and avoid conflict.␊ |
*␊ |
* Example of configuration:␊ |
*␊ |
* $cfg['cache_engine'] = 'Pluf_Cache_Memcached';␊ |
* $cfg['cache_timeout'] = 300;␊ |
* $cfg['cache_memcached_keyprefix'] = 'uniqueforapp';␊ |
* $cfg['cache_memcached_server'] = 'localhost';␊ |
* $cfg['cache_memcached_port'] = 11211;␊ |
* $cfg['cache_memcached_compress'] = 0; (or MEMCACHE_COMPRESSED)␊ |
*␊ |
*/␊ |
class Pluf_Cache_Memcached extends Pluf_Cache␊ |
{␊ |
private $memcache = null;␊ |
private $keyprefix = '';␊ |
␊ |
public function __constructor()␊ |
{␊ |
$this->memcache = memcache_connect(Pluf::f('cache_memcached_server', 'localhost'),␊ |
Pluf::f('cache_memcached_port', 11211));␊ |
if (false == $this->memcache) {␊ |
$this->memcache = null;␊ |
}␊ |
$this->keyprefix = Pluf::f('cache_memcached_keyprefix', '');␊ |
}␊ |
␊ |
/**␊ |
* Set a value in the cache.␊ |
*␊ |
* @param string Key to store the information␊ |
* @param mixed Value to store␊ |
* @param int Timeout in seconds (null)␊ |
* @return bool Success␊ |
*/␊ |
public function set($key, $value, $timeout=null)␊ |
{␊ |
if ($this->memcache) {␊ |
if ($timeout == null) $timeout = Pluf::f('cache_timeout', 300);␊ |
$this->memcache->set($this->keyprefix.$key, serialize($value), ␊ |
Pluf::f('cache_memcached_compress', 0), ␊ |
$timeout);␊ |
}␊ |
}␊ |
␊ |
/**␊ |
* Get value from the cache.␊ |
*␊ |
* @param string Key to get the information␊ |
* @param mixed Default value to return if cache miss (null)␊ |
* @param mixed Stored value or default␊ |
*/␊ |
public function get($key, $default=null)␊ |
{␊ |
if ($this->memcache) {␊ |
$val = $this->memcache->get($this->keyprefix.$key);␊ |
if (false === $val) {␊ |
return $default;␊ |
} else {␊ |
return unserialize($val);␊ |
}␊ |
} else {␊ |
return $default;␊ |
}␊ |
}␊ |
}␊ |