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-rw-r--r--system/libraries/Cache/drivers/Cache_redis.php52
1 files changed, 36 insertions, 16 deletions
diff --git a/system/libraries/Cache/drivers/Cache_redis.php b/system/libraries/Cache/drivers/Cache_redis.php
index fa318403e..49385dffa 100644
--- a/system/libraries/Cache/drivers/Cache_redis.php
+++ b/system/libraries/Cache/drivers/Cache_redis.php
@@ -151,21 +151,29 @@ class CI_Cache_redis extends CI_Driver
*/
public function get($key)
{
- $value = $this->_redis->hMGet($key, array('type', 'data'));
+ $data = $this->_redis->hMGet($key, array('__ci_type', '__ci_value'));
- if (empty($value['type']))
+ if ( ! isset($data['__ci_type'], $data['__ci_value']) OR $data['__ci_value'] === FALSE)
{
return FALSE;
}
- if ($value['type'] === 'array' OR $value['type'] === 'object')
+ switch ($data['__ci_type'])
{
- return unserialize($value['data']);
- }
- else
- {
- settype($value['data'], $value['type']);
- return $value['data'];
+ case 'array':
+ case 'object':
+ return unserialize($data['__ci_value']);
+ case 'boolean':
+ case 'integer':
+ case 'double': // Yes, 'double' is returned and NOT 'float'
+ case 'string':
+ case 'NULL':
+ return settype($data['__ci_value'], $data['__ci_type'])
+ ? $data['__ci_value']
+ : FALSE;
+ case 'resource':
+ default:
+ return FALSE;
}
}
@@ -182,21 +190,33 @@ class CI_Cache_redis extends CI_Driver
*/
public function save($id, $data, $ttl = 60, $raw = FALSE)
{
- if (is_array($data) OR is_object($data))
+ switch ($data_type = gettype($data))
{
- $success = $this->_redis->hMSet($id, array('type' => gettype($data), 'data' => serialize($data)));
+ case 'array':
+ case 'object':
+ $data = serialize($data);
+ break;
+ case 'boolean':
+ case 'integer':
+ case 'double': // Yes, 'double' is returned and NOT 'float'
+ case 'string':
+ case 'NULL':
+ break;
+ case 'resource':
+ default:
+ return FALSE;
}
- else
+
+ if ( ! $this->_redis->hMSet($id, array('__ci_type' => $data_type, '__ci_value' => $data)))
{
- $success = $this->_redis->hMSet($id, array('type' => gettype($data), 'data' => $data));
+ return FALSE;
}
-
- if ($success && $ttl)
+ elseif ($ttl)
{
$this->_redis->expireAt($id, time() + $ttl);
}
- return $success;
+ return TRUE;
}
// ------------------------------------------------------------------------