diff options
Diffstat (limited to 'system/libraries/Cache')
-rw-r--r-- | system/libraries/Cache/Cache.php | 38 | ||||
-rw-r--r-- | system/libraries/Cache/drivers/Cache_apc.php | 30 | ||||
-rw-r--r-- | system/libraries/Cache/drivers/Cache_dummy.php | 8 | ||||
-rw-r--r-- | system/libraries/Cache/drivers/Cache_file.php | 55 | ||||
-rw-r--r-- | system/libraries/Cache/drivers/Cache_memcached.php | 10 |
5 files changed, 65 insertions, 76 deletions
diff --git a/system/libraries/Cache/Cache.php b/system/libraries/Cache/Cache.php index 269bf9b2d..87253739c 100644 --- a/system/libraries/Cache/Cache.php +++ b/system/libraries/Cache/Cache.php @@ -1,13 +1,13 @@ -<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed'); +<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed'); /** * CodeIgniter * * An open source application development framework for PHP 5.1.6 or newer * * NOTICE OF LICENSE - * + * * Licensed under the Open Software License version 3.0 - * + * * This source file is subject to the Open Software License (OSL 3.0) that is * bundled with this package in the files license.txt / license.rst. It is * also available through the world wide web at this URL: @@ -22,22 +22,22 @@ * @license http://opensource.org/licenses/OSL-3.0 Open Software License (OSL 3.0) * @link http://codeigniter.com * @since Version 2.0 - * @filesource + * @filesource */ // ------------------------------------------------------------------------ /** - * CodeIgniter Caching Class + * CodeIgniter Caching Class * * @package CodeIgniter * @subpackage Libraries * @category Core * @author EllisLab Dev Team - * @link + * @link */ class CI_Cache extends CI_Driver_Library { - + protected $valid_drivers = array( 'cache_apc', 'cache_file', 'cache_memcached', 'cache_dummy' ); @@ -45,7 +45,7 @@ class CI_Cache extends CI_Driver_Library { protected $_cache_path = NULL; // Path of cache files (if file-based cache) protected $_adapter = 'dummy'; protected $_backup_driver; - + // ------------------------------------------------------------------------ /** @@ -64,16 +64,16 @@ class CI_Cache extends CI_Driver_Library { // ------------------------------------------------------------------------ /** - * Get + * Get * - * Look for a value in the cache. If it exists, return the data + * Look for a value in the cache. If it exists, return the data * if not, return FALSE * - * @param string + * @param string * @return mixed value that is stored/FALSE on failure */ public function get($id) - { + { return $this->{$this->_adapter}->get($id); } @@ -124,7 +124,7 @@ class CI_Cache extends CI_Driver_Library { * Cache Info * * @param string user/filehits - * @return mixed array on success, false on failure + * @return mixed array on success, false on failure */ public function cache_info($type = 'user') { @@ -132,7 +132,7 @@ class CI_Cache extends CI_Driver_Library { } // ------------------------------------------------------------------------ - + /** * Get Cache Metadata * @@ -143,7 +143,7 @@ class CI_Cache extends CI_Driver_Library { { return $this->{$this->_adapter}->get_metadata($id); } - + // ------------------------------------------------------------------------ /** @@ -151,11 +151,11 @@ class CI_Cache extends CI_Driver_Library { * * Initialize class properties based on the configuration array. * - * @param array + * @param array * @return void */ private function _initialize($config) - { + { $default_config = array( 'adapter', 'memcached' @@ -219,10 +219,10 @@ class CI_Cache extends CI_Driver_Library { return $obj; } - + // ------------------------------------------------------------------------ } // End Class /* End of file Cache.php */ -/* Location: ./system/libraries/Cache/Cache.php */
\ No newline at end of file +/* Location: ./system/libraries/Cache/Cache.php */ diff --git a/system/libraries/Cache/drivers/Cache_apc.php b/system/libraries/Cache/drivers/Cache_apc.php index f15cf8501..90b68688d 100644 --- a/system/libraries/Cache/drivers/Cache_apc.php +++ b/system/libraries/Cache/drivers/Cache_apc.php @@ -1,13 +1,13 @@ -<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed'); +<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed'); /** * CodeIgniter * * An open source application development framework for PHP 5.1.6 or newer * * NOTICE OF LICENSE - * + * * Licensed under the Open Software License version 3.0 - * + * * This source file is subject to the Open Software License (OSL 3.0) that is * bundled with this package in the files license.txt / license.rst. It is * also available through the world wide web at this URL: @@ -22,30 +22,30 @@ * @license http://opensource.org/licenses/OSL-3.0 Open Software License (OSL 3.0) * @link http://codeigniter.com * @since Version 2.0 - * @filesource + * @filesource */ // ------------------------------------------------------------------------ /** - * CodeIgniter APC Caching Class + * CodeIgniter APC Caching Class * * @package CodeIgniter * @subpackage Libraries * @category Core * @author EllisLab Dev Team - * @link + * @link */ class CI_Cache_apc extends CI_Driver { /** - * Get + * Get * - * Look for a value in the cache. If it exists, return the data + * Look for a value in the cache. If it exists, return the data * if not, return FALSE * - * @param string + * @param string * @return mixed value that is stored/FALSE on failure */ public function get($id) @@ -55,8 +55,8 @@ class CI_Cache_apc extends CI_Driver { return (is_array($data)) ? $data[0] : FALSE; } - // ------------------------------------------------------------------------ - + // ------------------------------------------------------------------------ + /** * Cache Save * @@ -70,7 +70,7 @@ class CI_Cache_apc extends CI_Driver { { return apc_store($id, array($data, time(), $ttl), $ttl); } - + // ------------------------------------------------------------------------ /** @@ -102,7 +102,7 @@ class CI_Cache_apc extends CI_Driver { * Cache Info * * @param string user/filehits - * @return mixed array on success, false on failure + * @return mixed array on success, false on failure */ public function cache_info($type = NULL) { @@ -149,13 +149,13 @@ class CI_Cache_apc extends CI_Driver { log_message('error', 'The APC PHP extension must be loaded to use APC Cache.'); return FALSE; } - + return TRUE; } // ------------------------------------------------------------------------ - + } // End Class diff --git a/system/libraries/Cache/drivers/Cache_dummy.php b/system/libraries/Cache/drivers/Cache_dummy.php index 965bb2bef..ff787e90b 100644 --- a/system/libraries/Cache/drivers/Cache_dummy.php +++ b/system/libraries/Cache/drivers/Cache_dummy.php @@ -1,13 +1,13 @@ -<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed'); +<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed'); /** * CodeIgniter * * An open source application development framework for PHP 5.1.6 or newer * * NOTICE OF LICENSE - * + * * Licensed under the Open Software License version 3.0 - * + * * This source file is subject to the Open Software License (OSL 3.0) that is * bundled with this package in the files license.txt / license.rst. It is * also available through the world wide web at this URL: @@ -138,4 +138,4 @@ class CI_Cache_dummy extends CI_Driver { // End Class /* End of file Cache_dummy.php */ -/* Location: ./system/libraries/Cache/drivers/Cache_dummy.php */
\ No newline at end of file +/* Location: ./system/libraries/Cache/drivers/Cache_dummy.php */ diff --git a/system/libraries/Cache/drivers/Cache_file.php b/system/libraries/Cache/drivers/Cache_file.php index be392d3d2..194279726 100644 --- a/system/libraries/Cache/drivers/Cache_file.php +++ b/system/libraries/Cache/drivers/Cache_file.php @@ -1,13 +1,13 @@ -<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed'); +<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed'); /** * CodeIgniter * * An open source application development framework for PHP 5.1.6 or newer * * NOTICE OF LICENSE - * + * * Licensed under the Open Software License version 3.0 - * + * * This source file is subject to the Open Software License (OSL 3.0) that is * bundled with this package in the files license.txt / license.rst. It is * also available through the world wide web at this URL: @@ -22,19 +22,19 @@ * @license http://opensource.org/licenses/OSL-3.0 Open Software License (OSL 3.0) * @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 EllisLab Dev Team - * @link + * @link */ class CI_Cache_file extends CI_Driver { @@ -48,9 +48,7 @@ class CI_Cache_file extends CI_Driver { { $CI =& get_instance(); $CI->load->helper('file'); - $path = $CI->config->item('cache_path'); - $this->_cache_path = ($path == '') ? APPPATH.'cache/' : $path; } @@ -68,16 +66,15 @@ class CI_Cache_file extends CI_Driver { { return FALSE; } - - $data = read_file($this->_cache_path.$id); - $data = unserialize($data); - + + $data = unserialize(read_file($this->_cache_path.$id)); + if (time() > $data['time'] + $data['ttl']) { unlink($this->_cache_path.$id); return FALSE; } - + return $data['data']; } @@ -88,22 +85,22 @@ class CI_Cache_file extends CI_Driver { * * @param string unique key * @param mixed data to store - * @param int length of time (in seconds) the cache is valid + * @param int length of time (in seconds) the cache is valid * - Default is 60 seconds * @return boolean true on success/false on failure */ public function save($id, $data, $ttl = 60) - { + { $contents = array( 'time' => time(), - 'ttl' => $ttl, + 'ttl' => $ttl, 'data' => $data ); - + if (write_file($this->_cache_path.$id, serialize($contents))) { @chmod($this->_cache_path.$id, 0777); - return TRUE; + return TRUE; } return FALSE; @@ -119,14 +116,7 @@ class CI_Cache_file extends CI_Driver { */ public function delete($id) { - if (file_exists($this->_cache_path.$id)) - { - return unlink($this->_cache_path.$id); - } - else - { - return FALSE; - } + return (file_exists($this->_cache_path.$id)) ? unlink($this->_cache_path.$id) : FALSE; } // ------------------------------------------------------------------------ @@ -135,7 +125,7 @@ class CI_Cache_file extends CI_Driver { * Clean the Cache * * @return boolean false on failure/true on success - */ + */ public function clean() { return delete_files($this->_cache_path); @@ -170,10 +160,9 @@ class CI_Cache_file extends CI_Driver { { return FALSE; } - - $data = read_file($this->_cache_path.$id); - $data = unserialize($data); - + + $data = unserialize(read_file($this->_cache_path.$id)); + if (is_array($data)) { $mtime = filemtime($this->_cache_path.$id); @@ -188,7 +177,7 @@ class CI_Cache_file extends CI_Driver { 'mtime' => $mtime ); } - + return FALSE; } @@ -198,7 +187,7 @@ class CI_Cache_file extends CI_Driver { * Is supported * * In the file driver, check to see that the cache directory is indeed writable - * + * * @return boolean */ public function is_supported() diff --git a/system/libraries/Cache/drivers/Cache_memcached.php b/system/libraries/Cache/drivers/Cache_memcached.php index 78cab25d4..0037e6755 100644 --- a/system/libraries/Cache/drivers/Cache_memcached.php +++ b/system/libraries/Cache/drivers/Cache_memcached.php @@ -1,13 +1,13 @@ -<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed'); +<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed'); /** * CodeIgniter * * An open source application development framework for PHP 5.1.6 or newer * * NOTICE OF LICENSE - * + * * Licensed under the Open Software License version 3.0 - * + * * This source file is subject to the Open Software License (OSL 3.0) that is * bundled with this package in the files license.txt / license.rst. It is * also available through the world wide web at this URL: @@ -84,7 +84,7 @@ class CI_Cache_memcached extends CI_Driver { { return $this->_memcached->set($id, array($data, time(), $ttl), 0, $ttl); } - + return FALSE; } @@ -256,4 +256,4 @@ class CI_Cache_memcached extends CI_Driver { // End Class /* End of file Cache_memcached.php */ -/* Location: ./system/libraries/Cache/drivers/Cache_memcached.php */
\ No newline at end of file +/* Location: ./system/libraries/Cache/drivers/Cache_memcached.php */ |