diff options
author | Phil Sturgeon <email@philsturgeon.co.uk> | 2011-02-16 20:03:49 +0100 |
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committer | Phil Sturgeon <email@philsturgeon.co.uk> | 2011-02-16 20:03:49 +0100 |
commit | 33ed0f37b6b8f2223cd3362bf8fca28102ab67c6 (patch) | |
tree | 99c613720a2fd8541764bb6fc893e0da28fa269b /system/libraries/Cache/drivers/Cache_apc.php | |
parent | 154da11c5bb4b7dc5c225f4fa018852ee45cc6eb (diff) | |
parent | d8d1e24eee56d2466c91ecd72b3c8932eb3d0639 (diff) |
Merged CodeIgniter Core changes and integrated rob1's secure cookie change into my secure cookie change.
Diffstat (limited to 'system/libraries/Cache/drivers/Cache_apc.php')
-rw-r--r-- | system/libraries/Cache/drivers/Cache_apc.php | 151 |
1 files changed, 151 insertions, 0 deletions
diff --git a/system/libraries/Cache/drivers/Cache_apc.php b/system/libraries/Cache/drivers/Cache_apc.php new file mode 100644 index 000000000..4b995c793 --- /dev/null +++ b/system/libraries/Cache/drivers/Cache_apc.php @@ -0,0 +1,151 @@ +<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed'); +/** + * CodeIgniter + * + * An open source application development framework for PHP 5.1.6 or newer + * + * @package CodeIgniter + * @author ExpressionEngine Dev Team + * @copyright Copyright (c) 2006 - 2011 EllisLab, Inc. + * @license http://codeigniter.com/user_guide/license.html + * @link http://codeigniter.com + * @since Version 2.0 + * @filesource + */ + +// ------------------------------------------------------------------------ + +/** + * CodeIgniter APC Caching Class + * + * @package CodeIgniter + * @subpackage Libraries + * @category Core + * @author ExpressionEngine Dev Team + * @link + */ + +class Cache_apc extends CI_Driver { + + /** + * Get + * + * 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 + */ + public function get($id) + { + $data = apc_fetch($id); + + return (is_array($data)) ? $data[0] : FALSE; + } + + // ------------------------------------------------------------------------ + + /** + * Cache Save + * + * @param string Unique Key + * @param mixed Data to store + * @param int Length of time (in seconds) to cache the data + * + * @return boolean true on success/false on failure + */ + public function save($id, $data, $ttl = 60) + { + return apc_store($id, array($data, time(), $ttl), $ttl); + } + + // ------------------------------------------------------------------------ + + /** + * Delete from Cache + * + * @param mixed unique identifier of the item in the cache + * @param boolean true on success/false on failure + */ + public function delete($id) + { + return apc_delete($id); + } + + // ------------------------------------------------------------------------ + + /** + * Clean the cache + * + * @return boolean false on failure/true on success + */ + public function clean() + { + return apc_clear_cache('user'); + } + + // ------------------------------------------------------------------------ + + /** + * Cache Info + * + * @param string user/filehits + * @return mixed array on success, false on failure + */ + public function cache_info($type = NULL) + { + return apc_cache_info($type); + } + + // ------------------------------------------------------------------------ + + /** + * Get Cache Metadata + * + * @param mixed key to get cache metadata on + * @return mixed array on success/false on failure + */ + public function get_metadata($id) + { + $stored = apc_fetch($id); + + if (count($stored) !== 3) + { + return FALSE; + } + + list($data, $time, $ttl) = $stored; + + return array( + 'expire' => $time + $ttl, + 'mtime' => $time, + 'data' => $data + ); + } + + // ------------------------------------------------------------------------ + + /** + * is_supported() + * + * Check to see if APC is available on this system, bail if it isn't. + */ + public function is_supported() + { + if ( ! extension_loaded('apc') OR ! function_exists('apc_store')) + { + log_message('error', 'The APC PHP extension must be loaded to use APC Cache.'); + return FALSE; + } + + return TRUE; + } + + // ------------------------------------------------------------------------ + + +} +// End Class + +/* End of file Cache_apc.php */ +/* Location: ./system/libraries/Cache/drivers/Cache_apc.php */
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