When I am using Memcached driver of CodeIgniter, i have problem about it's not support for memcache lib on Zend Server.
This is patch for Memcached Drivers
{{{
!php
array(
'host' => '127.0.0.1',
'port' => 11211,
'weight' => 1
)
);
// ------------------------------------------------------------------------
/**
* Fetch from cache
*
*
@param mixed unique key id
*
@return mixed data on success/false on failure
*/
public function get($id)
{
$data = $this->_memcached->get($id);
return (is_array($data)) ? $data[0] : FALSE;
}
// ------------------------------------------------------------------------
/**
* Save
*
*
@param string unique identifier
*
@param mixed data being cached
*
@param int time to live
*
@return boolean true on success, false on failure
*/
public function save($id, $data, $ttl = 60)
{
return $this->_memcached->add($id, array($data, time(), $ttl), $ttl);
}
// ------------------------------------------------------------------------
/**
* Delete from Cache
*
*
@param mixed key to be deleted.
*
@return boolean true on success, false on failure
*/
public function delete($id)
{
return $this->_memcached->delete($id);
}
// ------------------------------------------------------------------------
/**
* Clean the Cache
*
*
@return boolean false on failure/true on success
*/
public function clean()
{
return $this->_memcached->flush();
}
// ------------------------------------------------------------------------
/**
* Cache Info
*
*
@param null type not supported in memcached
*
@return mixed array on success, false on failure
*/
public function cache_info($type = NULL)
{
return $this->_memcached->getStats();
}
// ------------------------------------------------------------------------
/**
* Get Cache Metadata
*
*
@param mixed key to get cache metadata on
*
@return mixed FALSE on failure, array on success.
*/
public function get_metadata($id)
{
$stored = $this->_memcached->get($id);
if (count($stored) !== 3)
{
return FALSE;
}
list($data, $time, $ttl) = $stored;
return array(
'expire' => $time + $ttl,
'mtime' => $time,
'data' => $data
);
}
// ------------------------------------------------------------------------
/**
* Setup memcached.
*/
private function _setup_memcached()
{
// Try to load memcached server info from the config file.
$CI =& get_instance();
if ($CI->config->load('memcached', TRUE, TRUE))
{
if (is_array($CI->config->config['memcached']))
{
$this->_memcache_conf = NULL;
foreach ($CI->config->config['memcached'] as $name => $conf)
{
$this->_memcache_conf[$name] = $conf;
}
}
}
if(class_exists('Memcached')) {
$this->_memcached = new Memcached();
} else if(class_exists('Memcache')) {
$this->_memcached = new Memcache();
} else {
show_error('Can\'t create Memcached object.');
return FALSE;
}
foreach ($this->_memcache_conf['memcached'] as $name => $cache_server)
{
if ( ! array_key_exists('host', $cache_server))
{
$cache_server['host'] = $this->_default_options['host'];
}
if ( ! array_key_exists('port', $cache_server))
{
$cache_server['port'] = $this->_default_options['port'];
}
if ( ! array_key_exists('weight', $cache_server))
{
$cache_server['weight'] = $this->_default_options['weight'];
}
$this->_memcached->addServer(
$cache_server['host'], $cache_server['port'], $cache_server['weight']
);
}
}
// ------------------------------------------------------------------------
/**
* Is supported
*
* Returns FALSE if memcached is not supported on the system.
* If it is, we setup the memcached object & return TRUE
*/
public function is_supported()
{
if ( ! extension_loaded('memcache') && !extension_loaded('memcached'))
{
log_message('error', 'The Memcached Extension must be loaded to use Memcached Cache.');
return FALSE;
}
$this->_setup_memcached();
return TRUE;
}
// ------------------------------------------------------------------------
```
}
// End Class
/\* End of file Cache_memcached.php _/
/_ Location: ./system/libraries/Cache/drivers/Cache_memcached.php */
}}}