diff options
Diffstat (limited to 'system/libraries/Cache/drivers/Cache_file.php')
| -rw-r--r-- | system/libraries/Cache/drivers/Cache_file.php | 57 |
1 files changed, 23 insertions, 34 deletions
diff --git a/system/libraries/Cache/drivers/Cache_file.php b/system/libraries/Cache/drivers/Cache_file.php index be392d3d2..4a81b0422 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: @@ -18,23 +18,23 @@ * * @package CodeIgniter * @author EllisLab Dev Team - * @copyright Copyright (c) 2006 - 2011 EllisLab, Inc. + * @copyright Copyright (c) 2006 - 2012 EllisLab, Inc. * @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() |