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-rw-r--r--system/libraries/Cache/drivers/Cache_memcached.php83
1 files changed, 56 insertions, 27 deletions
diff --git a/system/libraries/Cache/drivers/Cache_memcached.php b/system/libraries/Cache/drivers/Cache_memcached.php
index ec2fd216a..04aa81a5a 100644
--- a/system/libraries/Cache/drivers/Cache_memcached.php
+++ b/system/libraries/Cache/drivers/Cache_memcached.php
@@ -10,19 +10,19 @@
* @license http://codeigniter.com/user_guide/license.html
* @link http://codeigniter.com
* @since Version 2.0
- * @filesource
+ * @filesource
*/
// ------------------------------------------------------------------------
/**
- * CodeIgniter Memcached Caching Class
+ * CodeIgniter Memcached Caching Class
*
* @package CodeIgniter
* @subpackage Libraries
* @category Core
* @author ExpressionEngine Dev Team
- * @link
+ * @link
*/
class CI_Cache_memcached extends CI_Driver {
@@ -37,18 +37,18 @@ class CI_Cache_memcached extends CI_Driver {
)
);
- // ------------------------------------------------------------------------
+ // ------------------------------------------------------------------------
/**
* 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)) ? $data[0] : FALSE;
}
@@ -64,11 +64,11 @@ class CI_Cache_memcached extends CI_Driver {
*/
public function save($id, $data, $ttl = 60)
{
- return $this->_memcached->add($id, array($data, time(), $ttl), $ttl);
+ return $this->_memcached->set($id, array($data, time(), $ttl), $ttl);
}
// ------------------------------------------------------------------------
-
+
/**
* Delete from Cache
*
@@ -81,7 +81,7 @@ class CI_Cache_memcached extends CI_Driver {
}
// ------------------------------------------------------------------------
-
+
/**
* Clean the Cache
*
@@ -106,7 +106,7 @@ class CI_Cache_memcached extends CI_Driver {
}
// ------------------------------------------------------------------------
-
+
/**
* Get Cache Metadata
*
@@ -140,6 +140,7 @@ class CI_Cache_memcached extends CI_Driver {
{
// Try to load memcached server info from the config file.
$CI =& get_instance();
+
if ($CI->config->load('memcached', TRUE, TRUE))
{
if (is_array($CI->config->config['memcached']))
@@ -149,11 +150,24 @@ class CI_Cache_memcached extends CI_Driver {
foreach ($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
+ {
+ log_message('error', 'Failed to create object for Memcached Cache; extension not loaded?');
+
+ return FALSE;
}
-
- $this->_memcached = new Memcached();
foreach ($this->_memcache_conf as $name => $cache_server)
{
@@ -161,26 +175,42 @@ class CI_Cache_memcached extends CI_Driver {
{
$cache_server['hostname'] = $this->_default_options['default_host'];
}
-
+
if ( ! array_key_exists('port', $cache_server))
{
$cache_server['port'] = $this->_default_options['default_port'];
}
-
+
if ( ! array_key_exists('weight', $cache_server))
{
$cache_server['weight'] = $this->_default_options['default_weight'];
}
-
- $this->_memcached->addServer(
- $cache_server['hostname'], $cache_server['port'], $cache_server['weight']
- );
+
+ if (get_class($this->_memcached) == 'Memcache')
+ {
+ // Third parameter is persistance and defaults to TRUE.
+ $this->_memcached->addServer(
+ $cache_server['hostname'],
+ $cache_server['port'],
+ TRUE,
+ $cache_server['weight']
+ );
+ }
+ else
+ {
+ $this->_memcached->addServer(
+ $cache_server['hostname'],
+ $cache_server['port'],
+ $cache_server['weight']
+ );
+ }
}
+
+ return TRUE;
}
// ------------------------------------------------------------------------
-
/**
* Is supported
*
@@ -189,15 +219,14 @@ class CI_Cache_memcached extends CI_Driver {
*/
public function is_supported()
{
- if ( ! extension_loaded('memcached'))
+ if ( ! extension_loaded('memcached') && ! extension_loaded('memcache'))
{
log_message('error', 'The Memcached Extension must be loaded to use Memcached Cache.');
-
+
return FALSE;
}
-
- $this->_setup_memcached();
- return TRUE;
+
+ return $this->_setup_memcached();
}
// ------------------------------------------------------------------------