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-rw-r--r--system/libraries/Cache/drivers/Cache_apc.php27
-rw-r--r--system/libraries/Cache/drivers/Cache_memcached.php50
-rw-r--r--system/libraries/Cache/drivers/Cache_redis.php26
-rw-r--r--system/libraries/Cache/drivers/Cache_wincache.php27
4 files changed, 87 insertions, 43 deletions
diff --git a/system/libraries/Cache/drivers/Cache_apc.php b/system/libraries/Cache/drivers/Cache_apc.php
index dd18e7bc8..07ea8f474 100644
--- a/system/libraries/Cache/drivers/Cache_apc.php
+++ b/system/libraries/Cache/drivers/Cache_apc.php
@@ -49,6 +49,24 @@ defined('BASEPATH') OR exit('No direct script access allowed');
class CI_Cache_apc extends CI_Driver {
/**
+ * Class constructor
+ *
+ * Only present so that an error message is logged
+ * if APC is not available.
+ *
+ * @return void
+ */
+ public function __construct()
+ {
+ if ( ! $this->is_supported())
+ {
+ log_message('error', 'Cache: Failed to initialize APC; extension not loaded/enabled?');
+ }
+ }
+
+ // ------------------------------------------------------------------------
+
+ /**
* Get
*
* Look for a value in the cache. If it exists, return the data
@@ -198,13 +216,6 @@ class CI_Cache_apc extends CI_Driver {
*/
public function is_supported()
{
- if ( ! extension_loaded('apc') OR ! ini_get('apc.enabled'))
- {
- log_message('debug', 'The APC PHP extension must be loaded to use APC Cache.');
- return FALSE;
- }
-
- return TRUE;
+ return (extension_loaded('apc') && ini_get('apc.enabled'));
}
-
}
diff --git a/system/libraries/Cache/drivers/Cache_memcached.php b/system/libraries/Cache/drivers/Cache_memcached.php
index c44958b97..6dee1e8e4 100644
--- a/system/libraries/Cache/drivers/Cache_memcached.php
+++ b/system/libraries/Cache/drivers/Cache_memcached.php
@@ -60,7 +60,7 @@ class CI_Cache_memcached extends CI_Driver {
*
* @var array
*/
- protected $_memcache_conf = array(
+ protected $_config = array(
'default' => array(
'host' => '127.0.0.1',
'port' => 11211,
@@ -81,19 +81,11 @@ class CI_Cache_memcached extends CI_Driver {
{
// Try to load memcached server info from the config file.
$CI =& get_instance();
- $defaults = $this->_memcache_conf['default'];
+ $defaults = $this->_config['default'];
if ($CI->config->load('memcached', TRUE, TRUE))
{
- if (is_array($CI->config->config['memcached']))
- {
- $this->_memcache_conf = array();
-
- foreach ($CI->config->config['memcached'] as $name => $conf)
- {
- $this->_memcache_conf[$name] = $conf;
- }
- }
+ $this->_config = $CI->config->config['memcached'];
}
if (class_exists('Memcached', FALSE))
@@ -107,15 +99,16 @@ class CI_Cache_memcached extends CI_Driver {
else
{
log_message('error', 'Cache: Failed to create Memcache(d) object; extension not loaded?');
+ return;
}
- foreach ($this->_memcache_conf as $cache_server)
+ foreach ($this->_config as $cache_server)
{
isset($cache_server['hostname']) OR $cache_server['hostname'] = $defaults['host'];
isset($cache_server['port']) OR $cache_server['port'] = $defaults['port'];
isset($cache_server['weight']) OR $cache_server['weight'] = $defaults['weight'];
- if (get_class($this->_memcached) === 'Memcache')
+ if ($this->_memcached instanceof Memcache)
{
// Third parameter is persistance and defaults to TRUE.
$this->_memcached->addServer(
@@ -125,7 +118,7 @@ class CI_Cache_memcached extends CI_Driver {
$cache_server['weight']
);
}
- else
+ elseif ($this->_memcached instanceof Memcached)
{
$this->_memcached->addServer(
$cache_server['hostname'],
@@ -169,11 +162,11 @@ class CI_Cache_memcached extends CI_Driver {
$data = array($data, time(), $ttl);
}
- if (get_class($this->_memcached) === 'Memcached')
+ if ($this->_memcached instanceof Memcached)
{
return $this->_memcached->set($id, $data, $ttl);
}
- elseif (get_class($this->_memcached) === 'Memcache')
+ elseif ($this->_memcached instanceof Memcache)
{
return $this->_memcached->set($id, $data, 0, $ttl);
}
@@ -186,7 +179,7 @@ class CI_Cache_memcached extends CI_Driver {
/**
* Delete from Cache
*
- * @param mixed key to be deleted.
+ * @param mixed $id key to be deleted.
* @return bool true on success, false on failure
*/
public function delete($id)
@@ -251,7 +244,7 @@ class CI_Cache_memcached extends CI_Driver {
/**
* Get Cache Metadata
*
- * @param mixed key to get cache metadata on
+ * @param mixed $id key to get cache metadata on
* @return mixed FALSE on failure, array on success.
*/
public function get_metadata($id)
@@ -286,4 +279,25 @@ class CI_Cache_memcached extends CI_Driver {
{
return (extension_loaded('memcached') OR extension_loaded('memcache'));
}
+
+ // ------------------------------------------------------------------------
+
+ /**
+ * Class destructor
+ *
+ * Closes the connection to Memcache(d) if present.
+ *
+ * @return void
+ */
+ public function __destruct()
+ {
+ if ($this->_memcached instanceof Memcache)
+ {
+ $this->_memcached->close();
+ }
+ elseif ($this->_memcached instanceof Memcached)
+ {
+ $this->_memcached->quit();
+ }
+ }
}
diff --git a/system/libraries/Cache/drivers/Cache_redis.php b/system/libraries/Cache/drivers/Cache_redis.php
index 88f1815a7..6da86728c 100644
--- a/system/libraries/Cache/drivers/Cache_redis.php
+++ b/system/libraries/Cache/drivers/Cache_redis.php
@@ -91,15 +91,23 @@ class CI_Cache_redis extends CI_Driver
*/
public function __construct()
{
- $config = array();
+ if ( ! $this->is_supported())
+ {
+ log_message('error', 'Cache: Failed to create Redis object; extension not loaded?');
+ return;
+ }
+
$CI =& get_instance();
if ($CI->config->load('redis', TRUE, TRUE))
{
- $config = $CI->config->item('redis');
+ $config = array_merge(self::$_default_config, $CI->config->item('redis'));
+ }
+ else
+ {
+ $config = self::$_default_config;
}
- $config = array_merge(self::$_default_config, $config);
$this->_redis = new Redis();
try
@@ -138,7 +146,7 @@ class CI_Cache_redis extends CI_Driver
/**
* Get cache
*
- * @param string Cache ID
+ * @param string $key Cache ID
* @return mixed
*/
public function get($key)
@@ -189,7 +197,7 @@ class CI_Cache_redis extends CI_Driver
/**
* Delete from cache
*
- * @param string Cache key
+ * @param string $key Cache key
* @return bool
*/
public function delete($key)
@@ -243,9 +251,9 @@ class CI_Cache_redis extends CI_Driver
/**
* Get cache driver info
*
- * @param string Not supported in Redis.
- * Only included in order to offer a
- * consistent cache API.
+ * @param string $type Not supported in Redis.
+ * Only included in order to offer a
+ * consistent cache API.
* @return array
* @see Redis::info()
*/
@@ -259,7 +267,7 @@ class CI_Cache_redis extends CI_Driver
/**
* Get cache metadata
*
- * @param string Cache key
+ * @param string $key Cache key
* @return array
*/
public function get_metadata($key)
diff --git a/system/libraries/Cache/drivers/Cache_wincache.php b/system/libraries/Cache/drivers/Cache_wincache.php
index f66080514..d6a0d4fb6 100644
--- a/system/libraries/Cache/drivers/Cache_wincache.php
+++ b/system/libraries/Cache/drivers/Cache_wincache.php
@@ -52,6 +52,24 @@ defined('BASEPATH') OR exit('No direct script access allowed');
class CI_Cache_wincache extends CI_Driver {
/**
+ * Class constructor
+ *
+ * Only present so that an error message is logged
+ * if APC is not available.
+ *
+ * @return void
+ */
+ public function __construct()
+ {
+ if ( ! $this->is_supported())
+ {
+ log_message('error', 'Cache: Failed to initialize Wincache; extension not loaded/enabled?');
+ }
+ }
+
+ // ------------------------------------------------------------------------
+
+ /**
* Get
*
* Look for a value in the cache. If it exists, return the data,
@@ -194,13 +212,6 @@ class CI_Cache_wincache extends CI_Driver {
*/
public function is_supported()
{
- if ( ! extension_loaded('wincache') OR ! ini_get('wincache.ucenabled'))
- {
- log_message('debug', 'The Wincache PHP extension must be loaded to use Wincache Cache.');
- return FALSE;
- }
-
- return TRUE;
+ return (extension_loaded('wincache') && ini_get('wincache.ucenabled'));
}
-
}
generated by cgit v1.2.3-24-g4f1b (git 2.32.0) at 2024-07-29 20:19:02 +0200