Merge remote-tracking branch 'remotes/upstream/2.2-stable' into working

Signed-off-by: Florian Pritz <bluewind@xinu.at>

Conflicts:
	system/libraries/Session.php
	user_guide/

1 files changed, 18 insertions, 20 deletions

diff --git a/system/libraries/Cache/drivers/Cache_file.php b/system/libraries/Cache/drivers/Cache_file.php
index e515eebf1..50602b4b8 100644
--- a/system/libraries/Cache/drivers/Cache_file.php
+++ b/system/libraries/Cache/drivers/Cache_file.php
@@ -2,27 +2,27 @@
 /**
  * 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
  *
  * @package		CodeIgniter
  * @author		ExpressionEngine Dev Team
- * @copyright	Copyright (c) 2006 - 2012 EllisLab, Inc.
+ * @copyright	Copyright (c) 2006 - 2014 EllisLab, Inc.
  * @license		http://codeigniter.com/user_guide/license.html
  * @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		
+ * @link
  */
 
 class CI_Cache_file extends CI_Driver {
@@ -36,9 +36,9 @@ 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 +56,16 @@ class CI_Cache_file extends CI_Driver {
 		{
 			return FALSE;
 		}
-		
+
 		$data = read_file($this->_cache_path.$id);
 		$data = unserialize($data);
-		
+
 		if (time() >  $data['time'] + $data['ttl'])
 		{
 			unlink($this->_cache_path.$id);
 			return FALSE;
 		}
-		
+
 		return $data['data'];
 	}
 
@@ -76,22 +76,22 @@ 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 
-	 *						- Default is 60 seconds
+	 * @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;
@@ -116,7 +116,7 @@ class CI_Cache_file extends CI_Driver {
 	 * Clean the Cache
 	 *
 	 * @return 	boolean		false on failure/true on success
-	 */	
+	 */
 	public function clean()
 	{
 		return delete_files($this->_cache_path);
@@ -179,7 +179,7 @@ class CI_Cache_file extends CI_Driver {
 	 * Is supported
 	 *
 	 * In the file driver, check to see that the cache directory is indeed writable
-	 * 
+	 *
 	 * @return boolean
 	 */
 	public function is_supported()
@@ -187,9 +187,7 @@ class CI_Cache_file extends CI_Driver {
 		return is_really_writable($this->_cache_path);
 	}
 
-	// ------------------------------------------------------------------------
 }
-// End Class
 
 /* End of file Cache_file.php */
 /* Location: ./system/libraries/Cache/drivers/Cache_file.php */
\ No newline at end of file