diff options
Diffstat (limited to 'system/libraries/Cache/drivers/Cache_file.php')
| -rw-r--r-- | system/libraries/Cache/drivers/Cache_file.php | 64 |
1 files changed, 33 insertions, 31 deletions
diff --git a/system/libraries/Cache/drivers/Cache_file.php b/system/libraries/Cache/drivers/Cache_file.php index ff8895724..1b57c8929 100644 --- a/system/libraries/Cache/drivers/Cache_file.php +++ b/system/libraries/Cache/drivers/Cache_file.php @@ -2,7 +2,7 @@ /** * CodeIgniter * - * An open source application development framework for PHP 5.1.6 or newer + * An open source application development framework for PHP 5.2.4 or newer * * NOTICE OF LICENSE * @@ -25,8 +25,6 @@ * @filesource */ -// ------------------------------------------------------------------------ - /** * CodeIgniter Memcached Caching Class * @@ -36,20 +34,26 @@ * @author EllisLab Dev Team * @link */ - class CI_Cache_file extends CI_Driver { + /** + * Directory in which to save cache files + * + * @var string + */ protected $_cache_path; /** - * Constructor + * Initialize file-based cache + * + * @return void */ public function __construct() { $CI =& get_instance(); $CI->load->helper('file'); $path = $CI->config->item('cache_path'); - $this->_cache_path = ($path == '') ? APPPATH.'cache/' : $path; + $this->_cache_path = ($path === '') ? APPPATH.'cache/' : $path; } // ------------------------------------------------------------------------ @@ -57,8 +61,8 @@ class CI_Cache_file extends CI_Driver { /** * Fetch from cache * - * @param mixed unique key id - * @return mixed data on success/false on failure + * @param mixed unique key id + * @return mixed data on success/false on failure */ public function get($id) { @@ -67,7 +71,7 @@ class CI_Cache_file extends CI_Driver { return FALSE; } - $data = unserialize(read_file($this->_cache_path.$id)); + $data = unserialize(file_get_contents($this->_cache_path.$id)); if (time() > $data['time'] + $data['ttl']) { @@ -83,23 +87,23 @@ class CI_Cache_file extends CI_Driver { /** * Save into cache * - * @param string unique key - * @param mixed data to store - * @param int length of time (in seconds) the cache is valid - * - Default is 60 seconds - * @return boolean true on success/false on failure + * @param string unique key + * @param mixed data to store + * @param int length of time (in seconds) the cache is valid + * - Default is 60 seconds + * @return bool true on success/false on failure */ public function save($id, $data, $ttl = 60) { $contents = array( - 'time' => time(), - 'ttl' => $ttl, - 'data' => $data - ); + 'time' => time(), + 'ttl' => $ttl, + 'data' => $data + ); if (write_file($this->_cache_path.$id, serialize($contents))) { - @chmod($this->_cache_path.$id, 0777); + @chmod($this->_cache_path.$id, 0660); return TRUE; } @@ -111,12 +115,12 @@ 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.$id) : FALSE; } // ------------------------------------------------------------------------ @@ -124,7 +128,7 @@ class CI_Cache_file extends CI_Driver { /** * Clean the Cache * - * @return boolean false on failure/true on success + * @return bool false on failure/true on success */ public function clean() { @@ -138,8 +142,8 @@ class CI_Cache_file extends CI_Driver { * * Not supported by file-based caching * - * @param string user/filehits - * @return mixed FALSE + * @param string user/filehits + * @return mixed FALSE */ public function cache_info($type = NULL) { @@ -151,8 +155,8 @@ 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) { @@ -161,7 +165,7 @@ class CI_Cache_file extends CI_Driver { return FALSE; } - $data = unserialize(read_file($this->_cache_path.$id)); + $data = unserialize(file_get_contents($this->_cache_path.$id)); if (is_array($data)) { @@ -188,16 +192,14 @@ 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 */ |