diff options
Diffstat (limited to 'system/libraries/Cache')
| -rw-r--r-- | system/libraries/Cache/Cache.php | 109 | ||||
| -rw-r--r-- | system/libraries/Cache/drivers/Cache_apc.php | 43 | ||||
| -rw-r--r-- | system/libraries/Cache/drivers/Cache_dummy.php | 37 | ||||
| -rw-r--r-- | system/libraries/Cache/drivers/Cache_file.php | 42 | ||||
| -rw-r--r-- | system/libraries/Cache/drivers/Cache_memcached.php | 63 | ||||
| -rw-r--r-- | system/libraries/Cache/drivers/Cache_wincache.php | 7 |
6 files changed, 128 insertions, 173 deletions
diff --git a/system/libraries/Cache/Cache.php b/system/libraries/Cache/Cache.php index 7642a5270..f98241617 100644 --- a/system/libraries/Cache/Cache.php +++ b/system/libraries/Cache/Cache.php @@ -25,8 +25,6 @@ * @filesource */ -// ------------------------------------------------------------------------ - /** * CodeIgniter Caching Class * @@ -50,11 +48,37 @@ class CI_Cache extends CI_Driver_Library { protected $_adapter = 'dummy'; protected $_backup_driver; + /** + * Constructor + * + * Initialize class properties based on the configuration array. + * + * @param array + * @return void + */ public function __construct($config = array()) { - if ( ! empty($config)) + $default_config = array( + 'adapter', + 'memcached' + ); + + foreach ($default_config as $key) { - $this->_initialize($config); + if (isset($config[$key])) + { + $param = '_'.$key; + + $this->{$param} = $config[$key]; + } + } + + if (isset($config['backup'])) + { + if (in_array('cache_'.$config['backup'], $this->valid_drivers)) + { + $this->_backup_driver = $config['backup']; + } } } @@ -63,11 +87,11 @@ class CI_Cache extends CI_Driver_Library { /** * Get * - * Look for a value in the cache. If it exists, return the data + * Look for a value in the cache. If it exists, return the data * if not, return FALSE * - * @param string - * @return mixed value that is stored/FALSE on failure + * @param string + * @return mixed value that is stored/FALSE on failure */ public function get($id) { @@ -79,11 +103,10 @@ class CI_Cache extends CI_Driver_Library { /** * Cache Save * - * @param string Unique Key - * @param mixed Data to store - * @param int Length of time (in seconds) to cache the data - * - * @return boolean true on success/false on failure + * @param string Unique Key + * @param mixed Data to store + * @param int Length of time (in seconds) to cache the data + * @return bool true on success/false on failure */ public function save($id, $data, $ttl = 60) { @@ -95,8 +118,8 @@ class CI_Cache extends CI_Driver_Library { /** * Delete from Cache * - * @param mixed unique identifier of the item in the cache - * @return boolean true on success/false on failure + * @param mixed unique identifier of the item in the cache + * @return bool true on success/false on failure */ public function delete($id) { @@ -108,7 +131,7 @@ class CI_Cache extends CI_Driver_Library { /** * Clean the cache * - * @return boolean false on failure/true on success + * @return bool false on failure/true on success */ public function clean() { @@ -120,8 +143,8 @@ class CI_Cache extends CI_Driver_Library { /** * Cache Info * - * @param string user/filehits - * @return mixed array on success, false on failure + * @param string user/filehits + * @return mixed array on success, false on failure */ public function cache_info($type = 'user') { @@ -133,8 +156,8 @@ class CI_Cache extends CI_Driver_Library { /** * Get Cache Metadata * - * @param mixed key to get cache metadata on - * @return mixed return value from child method + * @param mixed key to get cache metadata on + * @return mixed return value from child method */ public function get_metadata($id) { @@ -144,46 +167,10 @@ class CI_Cache extends CI_Driver_Library { // ------------------------------------------------------------------------ /** - * Initialize - * - * Initialize class properties based on the configuration array. - * - * @param array - * @return void - */ - private function _initialize($config) - { - $default_config = array( - 'adapter', - 'memcached' - ); - - foreach ($default_config as $key) - { - if (isset($config[$key])) - { - $param = '_'.$key; - - $this->{$param} = $config[$key]; - } - } - - if (isset($config['backup'])) - { - if (in_array('cache_'.$config['backup'], $this->valid_drivers)) - { - $this->_backup_driver = $config['backup']; - } - } - } - - // ------------------------------------------------------------------------ - - /** * Is the requested driver supported in this environment? * - * @param string The driver to test. - * @return array + * @param string The driver to test. + * @return array */ public function is_supported($driver) { @@ -202,8 +189,8 @@ class CI_Cache extends CI_Driver_Library { /** * __get() * - * @param child - * @return object + * @param child + * @return object */ public function __get($child) { @@ -217,9 +204,7 @@ class CI_Cache extends CI_Driver_Library { return $obj; } - // ------------------------------------------------------------------------ } -// End Class /* End of file Cache.php */ -/* Location: ./system/libraries/Cache/Cache.php */ +/* Location: ./system/libraries/Cache/Cache.php */
\ No newline at end of file diff --git a/system/libraries/Cache/drivers/Cache_apc.php b/system/libraries/Cache/drivers/Cache_apc.php index c387a30fc..59ab67533 100644 --- a/system/libraries/Cache/drivers/Cache_apc.php +++ b/system/libraries/Cache/drivers/Cache_apc.php @@ -25,8 +25,6 @@ * @filesource */ -// ------------------------------------------------------------------------ - /** * CodeIgniter APC Caching Class * @@ -36,23 +34,22 @@ * @author EllisLab Dev Team * @link */ - class CI_Cache_apc extends CI_Driver { /** * Get * - * Look for a value in the cache. If it exists, return the data + * Look for a value in the cache. If it exists, return the data * if not, return FALSE * - * @param string - * @return mixed value that is stored/FALSE on failure + * @param string + * @return mixed value that is stored/FALSE on failure */ public function get($id) { $data = apc_fetch($id); - return (is_array($data)) ? $data[0] : FALSE; + return is_array($data) ? $data[0] : FALSE; } // ------------------------------------------------------------------------ @@ -60,11 +57,11 @@ class CI_Cache_apc extends CI_Driver { /** * Cache Save * - * @param string Unique Key - * @param mixed Data to store - * @param int Length of time (in seconds) to cache the data + * @param string Unique Key + * @param mixed Data to store + * @param int Length of time (in seconds) to cache the data * - * @return boolean true on success/false on failure + * @return bool true on success/false on failure */ public function save($id, $data, $ttl = 60) { @@ -77,8 +74,8 @@ class CI_Cache_apc extends CI_Driver { /** * Delete from Cache * - * @param mixed unique identifier of the item in the cache - * @param boolean true on success/false on failure + * @param mixed unique identifier of the item in the cache + * @param bool true on success/false on failure */ public function delete($id) { @@ -90,7 +87,7 @@ class CI_Cache_apc extends CI_Driver { /** * Clean the cache * - * @return boolean false on failure/true on success + * @return bool false on failure/true on success */ public function clean() { @@ -102,8 +99,8 @@ class CI_Cache_apc extends CI_Driver { /** * Cache Info * - * @param string user/filehits - * @return mixed array on success, false on failure + * @param string user/filehits + * @return mixed array on success, false on failure */ public function cache_info($type = NULL) { @@ -115,8 +112,8 @@ class CI_Cache_apc extends CI_Driver { /** * Get Cache Metadata * - * @param mixed key to get cache metadata on - * @return mixed array on success/false on failure + * @param mixed key to get cache metadata on + * @return mixed array on success/false on failure */ public function get_metadata($id) { @@ -142,10 +139,12 @@ class CI_Cache_apc extends CI_Driver { * is_supported() * * Check to see if APC is available on this system, bail if it isn't. + * + * @return bool */ public function is_supported() { - if ( ! extension_loaded('apc') OR ini_get('apc.enabled') != "1") + if ( ! extension_loaded('apc') OR ! (bool) @ini_get('apc.enabled')) { log_message('error', 'The APC PHP extension must be loaded to use APC Cache.'); return FALSE; @@ -154,11 +153,7 @@ class CI_Cache_apc extends CI_Driver { return TRUE; } - // ------------------------------------------------------------------------ - - } -// End Class /* End of file Cache_apc.php */ -/* Location: ./system/libraries/Cache/drivers/Cache_apc.php */ +/* Location: ./system/libraries/Cache/drivers/Cache_apc.php */
\ No newline at end of file diff --git a/system/libraries/Cache/drivers/Cache_dummy.php b/system/libraries/Cache/drivers/Cache_dummy.php index c9767e401..e8b791c5b 100644 --- a/system/libraries/Cache/drivers/Cache_dummy.php +++ b/system/libraries/Cache/drivers/Cache_dummy.php @@ -25,8 +25,6 @@ * @filesource */ -// ------------------------------------------------------------------------ - /** * CodeIgniter Dummy Caching Class * @@ -36,7 +34,6 @@ * @author EllisLab Dev Team * @link */ - class CI_Cache_dummy extends CI_Driver { /** @@ -44,8 +41,8 @@ class CI_Cache_dummy extends CI_Driver { * * Since this is the dummy class, it's always going to return FALSE. * - * @param string - * @return Boolean FALSE + * @param string + * @return bool FALSE */ public function get($id) { @@ -57,11 +54,10 @@ class CI_Cache_dummy extends CI_Driver { /** * Cache Save * - * @param string Unique Key - * @param mixed Data to store - * @param int Length of time (in seconds) to cache the data - * - * @return boolean TRUE, Simulating success + * @param string Unique Key + * @param mixed Data to store + * @param int Length of time (in seconds) to cache the data + * @return bool TRUE, Simulating success */ public function save($id, $data, $ttl = 60) { @@ -73,8 +69,8 @@ class CI_Cache_dummy extends CI_Driver { /** * Delete from Cache * - * @param mixed unique identifier of the item in the cache - * @param boolean TRUE, simulating success + * @param mixed unique identifier of the item in the cache + * @param bool TRUE, simulating success */ public function delete($id) { @@ -86,7 +82,7 @@ class CI_Cache_dummy extends CI_Driver { /** * Clean the cache * - * @return boolean TRUE, simulating success + * @return bool TRUE, simulating success */ public function clean() { @@ -98,8 +94,8 @@ class CI_Cache_dummy extends CI_Driver { /** * Cache Info * - * @param string user/filehits - * @return boolean FALSE + * @param string user/filehits + * @return bool FALSE */ public function cache_info($type = NULL) { @@ -111,8 +107,8 @@ class CI_Cache_dummy extends CI_Driver { /** * Get Cache Metadata * - * @param mixed key to get cache metadata on - * @return boolean FALSE + * @param mixed key to get cache metadata on + * @return bool FALSE */ public function get_metadata($id) { @@ -125,17 +121,14 @@ class CI_Cache_dummy extends CI_Driver { * Is this caching driver supported on the system? * Of course this one is. * - * @return TRUE; + * @return bool TRUE */ public function is_supported() { return TRUE; } - // ------------------------------------------------------------------------ - } -// End Class /* End of file Cache_dummy.php */ -/* Location: ./system/libraries/Cache/drivers/Cache_dummy.php */ +/* Location: ./system/libraries/Cache/drivers/Cache_dummy.php */
\ No newline at end of file diff --git a/system/libraries/Cache/drivers/Cache_file.php b/system/libraries/Cache/drivers/Cache_file.php index c0be0def4..dd27aa90e 100644 --- a/system/libraries/Cache/drivers/Cache_file.php +++ b/system/libraries/Cache/drivers/Cache_file.php @@ -25,8 +25,6 @@ * @filesource */ -// ------------------------------------------------------------------------ - /** * CodeIgniter Memcached Caching Class * @@ -36,14 +34,10 @@ * @author EllisLab Dev Team * @link */ - class CI_Cache_file extends CI_Driver { protected $_cache_path; - /** - * Constructor - */ public function __construct() { $CI =& get_instance(); @@ -57,8 +51,8 @@ class CI_Cache_file extends CI_Driver { /** * Fetch from cache * - * @param mixed unique key id - * @return mixed data on success/false on failure + * @param mixed unique key id + * @return mixed data on success/false on failure */ public function get($id) { @@ -83,11 +77,11 @@ class CI_Cache_file extends CI_Driver { /** * Save into cache * - * @param string unique key - * @param mixed data to store - * @param int length of time (in seconds) the cache is valid - * - Default is 60 seconds - * @return boolean true on success/false on failure + * @param string unique key + * @param mixed data to store + * @param int length of time (in seconds) the cache is valid + * - Default is 60 seconds + * @return bool true on success/false on failure */ public function save($id, $data, $ttl = 60) { @@ -111,12 +105,12 @@ class CI_Cache_file extends CI_Driver { /** * Delete from Cache * - * @param mixed unique identifier of item in cache - * @return boolean true on success/false on failure + * @param mixed unique identifier of item in cache + * @return bool true on success/false on failure */ public function delete($id) { - return (file_exists($this->_cache_path.$id)) ? unlink($this->_cache_path.$id) : FALSE; + return file_exists($this->_cache_path.$id) ? unlink($this->_cache_path.$id) : FALSE; } // ------------------------------------------------------------------------ @@ -124,7 +118,7 @@ class CI_Cache_file extends CI_Driver { /** * Clean the Cache * - * @return boolean false on failure/true on success + * @return bool false on failure/true on success */ public function clean() { @@ -138,8 +132,8 @@ class CI_Cache_file extends CI_Driver { * * Not supported by file-based caching * - * @param string user/filehits - * @return mixed FALSE + * @param string user/filehits + * @return mixed FALSE */ public function cache_info($type = NULL) { @@ -151,8 +145,8 @@ class CI_Cache_file extends CI_Driver { /** * Get Cache Metadata * - * @param mixed key to get cache metadata on - * @return mixed FALSE on failure, array on success. + * @param mixed key to get cache metadata on + * @return mixed FALSE on failure, array on success. */ public function get_metadata($id) { @@ -188,16 +182,14 @@ class CI_Cache_file extends CI_Driver { * * In the file driver, check to see that the cache directory is indeed writable * - * @return boolean + * @return bool */ public function is_supported() { return is_really_writable($this->_cache_path); } - // ------------------------------------------------------------------------ } -// End Class /* End of file Cache_file.php */ -/* Location: ./system/libraries/Cache/drivers/Cache_file.php */ +/* Location: ./system/libraries/Cache/drivers/Cache_file.php */
\ No newline at end of file diff --git a/system/libraries/Cache/drivers/Cache_memcached.php b/system/libraries/Cache/drivers/Cache_memcached.php index b8f2d7e4c..4cd5f3d6f 100644 --- a/system/libraries/Cache/drivers/Cache_memcached.php +++ b/system/libraries/Cache/drivers/Cache_memcached.php @@ -25,8 +25,6 @@ * @filesource */ -// ------------------------------------------------------------------------ - /** * CodeIgniter Memcached Caching Class * @@ -36,12 +34,11 @@ * @author EllisLab Dev Team * @link */ - class CI_Cache_memcached extends CI_Driver { - private $_memcached; // Holds the memcached object + protected $_memcached; // Holds the memcached object - protected $_memcache_conf = array( + protected $_memcache_conf = array( 'default' => array( 'default_host' => '127.0.0.1', 'default_port' => 11211, @@ -49,19 +46,17 @@ class CI_Cache_memcached extends CI_Driver { ) ); - // ------------------------------------------------------------------------ - /** * Fetch from cache * - * @param mixed unique key id - * @return mixed data on success/false on failure + * @param mixed unique key id + * @return mixed data on success/false on failure */ public function get($id) { $data = $this->_memcached->get($id); - return (is_array($data)) ? $data[0] : FALSE; + return is_array($data) ? $data[0] : FALSE; } // ------------------------------------------------------------------------ @@ -69,18 +64,18 @@ class CI_Cache_memcached extends CI_Driver { /** * Save * - * @param string unique identifier - * @param mixed data being cached - * @param int time to live - * @return boolean true on success, false on failure + * @param string unique identifier + * @param mixed data being cached + * @param int time to live + * @return bool true on success, false on failure */ public function save($id, $data, $ttl = 60) { - if (get_class($this->_memcached) == 'Memcached') + if (get_class($this->_memcached) === 'Memcached') { return $this->_memcached->set($id, array($data, time(), $ttl), $ttl); } - else if (get_class($this->_memcached) == 'Memcache') + elseif (get_class($this->_memcached) === 'Memcache') { return $this->_memcached->set($id, array($data, time(), $ttl), 0, $ttl); } @@ -93,8 +88,8 @@ class CI_Cache_memcached extends CI_Driver { /** * Delete from Cache * - * @param mixed key to be deleted. - * @return boolean true on success, false on failure + * @param mixed key to be deleted. + * @return bool true on success, false on failure */ public function delete($id) { @@ -106,7 +101,7 @@ class CI_Cache_memcached extends CI_Driver { /** * Clean the Cache * - * @return boolean false on failure/true on success + * @return bool false on failure/true on success */ public function clean() { @@ -118,10 +113,9 @@ class CI_Cache_memcached extends CI_Driver { /** * Cache Info * - * @param null type not supported in memcached - * @return mixed array on success, false on failure + * @return mixed array on success, false on failure */ - public function cache_info($type = NULL) + public function cache_info() { return $this->_memcached->getStats(); } @@ -131,8 +125,8 @@ class CI_Cache_memcached extends CI_Driver { /** * Get Cache Metadata * - * @param mixed key to get cache metadata on - * @return mixed FALSE on failure, array on success. + * @param mixed key to get cache metadata on + * @return mixed FALSE on failure, array on success. */ public function get_metadata($id) { @@ -156,8 +150,10 @@ class CI_Cache_memcached extends CI_Driver { /** * Setup memcached. + * + * @return bool */ - private function _setup_memcached() + protected function _setup_memcached() { // Try to load memcached server info from the config file. $CI =& get_instance(); @@ -179,14 +175,13 @@ class CI_Cache_memcached extends CI_Driver { { $this->_memcached = new Memcached(); } - else if (class_exists('Memcache')) + elseif (class_exists('Memcache')) { $this->_memcached = new Memcache(); } else { log_message('error', 'Failed to create object for Memcached Cache; extension not loaded?'); - return FALSE; } @@ -194,17 +189,17 @@ class CI_Cache_memcached extends CI_Driver { { if ( ! array_key_exists('hostname', $cache_server)) { - $cache_server['hostname'] = $this->_default_options['default_host']; + $cache_server['hostname'] = $this->_memcache_conf['default']['default_host']; } if ( ! array_key_exists('port', $cache_server)) { - $cache_server['port'] = $this->_default_options['default_port']; + $cache_server['port'] = $this->_memcache_conf['default']['default_port']; } if ( ! array_key_exists('weight', $cache_server)) { - $cache_server['weight'] = $this->_default_options['default_weight']; + $cache_server['weight'] = $this->_memcache_conf['default']['default_weight']; } if (get_class($this->_memcached) == 'Memcache') @@ -237,23 +232,21 @@ class CI_Cache_memcached extends CI_Driver { * * Returns FALSE if memcached is not supported on the system. * If it is, we setup the memcached object & return TRUE + * + * @return bool */ public function is_supported() { if ( ! extension_loaded('memcached') && ! extension_loaded('memcache')) { log_message('error', 'The Memcached Extension must be loaded to use Memcached Cache.'); - return FALSE; } return $this->_setup_memcached(); } - // ------------------------------------------------------------------------ - } -// End Class /* End of file Cache_memcached.php */ -/* Location: ./system/libraries/Cache/drivers/Cache_memcached.php */ +/* Location: ./system/libraries/Cache/drivers/Cache_memcached.php */
\ No newline at end of file diff --git a/system/libraries/Cache/drivers/Cache_wincache.php b/system/libraries/Cache/drivers/Cache_wincache.php index df619d4e6..b32e66a46 100644 --- a/system/libraries/Cache/drivers/Cache_wincache.php +++ b/system/libraries/Cache/drivers/Cache_wincache.php @@ -25,8 +25,6 @@ * @filesource */ -// ------------------------------------------------------------------------ - /** * CodeIgniter Wincache Caching Class * @@ -39,7 +37,6 @@ * @author Mike Murkovic * @link */ - class CI_Cache_wincache extends CI_Driver { /** @@ -68,7 +65,7 @@ class CI_Cache_wincache extends CI_Driver { * @param string Unique Key * @param mixed Data to store * @param int Length of time (in seconds) to cache the data - * @return bool true on success/false on failure + * @return bool true on success/false on failure */ public function save($id, $data, $ttl = 60) { @@ -162,4 +159,4 @@ class CI_Cache_wincache extends CI_Driver { } /* End of file Cache_wincache.php */ -/* Location: ./system/libraries/Cache/drivers/Cache_wincache.php */ +/* Location: ./system/libraries/Cache/drivers/Cache_wincache.php */
\ No newline at end of file |