diff options
Diffstat (limited to 'system/libraries/Cache/drivers/Cache_file.php')
| -rw-r--r-- | system/libraries/Cache/drivers/Cache_file.php | 75 |
1 files changed, 41 insertions, 34 deletions
diff --git a/system/libraries/Cache/drivers/Cache_file.php b/system/libraries/Cache/drivers/Cache_file.php index 13e2d1af6..a960730d7 100644 --- a/system/libraries/Cache/drivers/Cache_file.php +++ b/system/libraries/Cache/drivers/Cache_file.php @@ -2,27 +2,39 @@ /** * CodeIgniter * - * An open source application development framework for PHP 4.3.2 or newer + * 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: + * http://opensource.org/licenses/OSL-3.0 + * If you did not receive a copy of the license and are unable to obtain it + * through the world wide web, please send an email to + * licensing@ellislab.com so we can send you a copy immediately. * * @package CodeIgniter - * @author ExpressionEngine Dev Team - * @copyright Copyright (c) 2006 - 2011 EllisLab, Inc. - * @license http://codeigniter.com/user_guide/license.html + * @author EllisLab Dev Team + * @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 ExpressionEngine Dev Team - * @link + * @author EllisLab Dev Team + * @link */ class CI_Cache_file extends CI_Driver { @@ -36,9 +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; } @@ -56,16 +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 $data['data']; } @@ -76,22 +85,22 @@ class CI_Cache_file extends CI_Driver { * * @param string unique key * @param mixed data to store - * @param int length of time (in seconds) the cache is valid + * @param int length of time (in seconds) the cache is valid * - Default is 60 seconds * @return boolean true on success/false on failure */ public function save($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; + @chmod($this->_cache_path.$id, 0660); + return TRUE; } return FALSE; @@ -107,7 +116,7 @@ class CI_Cache_file extends CI_Driver { */ public function delete($id) { - return unlink($this->_cache_path.$id); + return (file_exists($this->_cache_path.$id)) ? unlink($this->_cache_path.$id) : FALSE; } // ------------------------------------------------------------------------ @@ -116,7 +125,7 @@ class CI_Cache_file extends CI_Driver { * Clean the Cache * * @return boolean false on failure/true on success - */ + */ public function clean() { return delete_files($this->_cache_path); @@ -151,26 +160,24 @@ 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)) { - $data = $data['data']; $mtime = filemtime($this->_cache_path.$id); - if ( ! isset($data['ttl'])) + if ( ! isset($data['data']['ttl'])) { return FALSE; } return array( - 'expire' => $mtime + $data['ttl'], - 'mtime' => $mtime + 'expire' => $mtime + $data['data']['ttl'], + 'mtime' => $mtime ); } - + return FALSE; } @@ -180,7 +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() @@ -193,4 +200,4 @@ class CI_Cache_file extends CI_Driver { // End Class /* End of file Cache_file.php */ -/* Location: ./system/libraries/Cache/drivers/Cache_file.php */
\ No newline at end of file +/* Location: ./system/libraries/Cache/drivers/Cache_file.php */ |