3 files changed, 14 insertions, 10 deletions
diff --git a/system/libraries/Cache/drivers/Cache_file.php b/system/libraries/Cache/drivers/Cache_file.php
index c6aa848fe..aa2e8fa38 100644
--- a/system/libraries/Cache/drivers/Cache_file.php
+++ b/system/libraries/Cache/drivers/Cache_file.php
@@ -125,7 +125,11 @@ class CI_Cache_file extends CI_Driver {
 	{
 		$data = $this->_get($id);
 
-		if ($data === FALSE OR ! is_int($data['data']))
+		if ($data === FALSE)
+		{
+			$data = array('data' => 0, 'ttl' => 60);
+		}
+		elseif ( ! is_int($data['data']))
 		{
 			return FALSE;
 		}
@@ -149,7 +153,11 @@ class CI_Cache_file extends CI_Driver {
 	{
 		$data = $this->_get($id);
 
-		if ($data === FALSE OR ! is_int($data['data']))
+		if ($data === FALSE)
+		{
+			$data = array('data' => 0, 'ttl' => 60);
+		}
+		elseif ( ! is_int($data['data']))
 		{
 			return FALSE;
 		}
diff --git a/system/libraries/Cache/drivers/Cache_memcached.php b/system/libraries/Cache/drivers/Cache_memcached.php
index bed606afb..55b769424 100644
--- a/system/libraries/Cache/drivers/Cache_memcached.php
+++ b/system/libraries/Cache/drivers/Cache_memcached.php
@@ -49,7 +49,7 @@ class CI_Cache_memcached extends CI_Driver {
 	 *
 	 * @var array
 	 */
-	protected $_memcache_conf	= array(
+	protected $_memcache_conf = array(
 		'default' => array(
 			'host'		=> '127.0.0.1',
 			'port'		=> 11211,
@@ -202,12 +202,12 @@ class CI_Cache_memcached extends CI_Driver {
 	{
 		// Try to load memcached server info from the config file.
 		$CI =& get_instance();
+		$defaults = $this->_memcache_conf['default'];
 
 		if ($CI->config->load('memcached', TRUE, TRUE))
 		{
 			if (is_array($CI->config->config['memcached']))
 			{
-				$defaults = $this->_memcache_conf['default'];
 				$this->_memcache_conf = array();
 
 				foreach ($CI->config->config['memcached'] as $name => $conf)
diff --git a/system/libraries/Cache/drivers/Cache_redis.php b/system/libraries/Cache/drivers/Cache_redis.php
index 1c76426c5..7a2b70382 100644
--- a/system/libraries/Cache/drivers/Cache_redis.php
+++ b/system/libraries/Cache/drivers/Cache_redis.php
@@ -113,9 +113,7 @@ class CI_Cache_redis extends CI_Driver
 	 */
 	public function increment($id, $offset = 1)
 	{
-		return $this->_redis->exists($id)
-			? $this->_redis->incr($id, $offset)
-			: FALSE;
+		return $this->_redis->incr($id, $offset);
 	}
 
 	// ------------------------------------------------------------------------
@@ -129,9 +127,7 @@ class CI_Cache_redis extends CI_Driver
 	 */
 	public function decrement($id, $offset = 1)
 	{
-		return $this->_redis->exists($id)
-			? $this->_redis->decr($id, $offset)
-			: FALSE;
+		return $this->_redis->decr($id, $offset);
 	}
 
 	// ------------------------------------------------------------------------