diff options
Diffstat (limited to 'system/libraries')
-rw-r--r-- | system/libraries/Cache/drivers/Cache_redis.php | 52 |
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; } // ------------------------------------------------------------------------ |