Set the _key_exists flag to TRUE when the key does in fact exist. Set it to FALSE if the ID is being regenerated, and set it to TRUE once it's been written.

Signed-off-by: Jonty Sewell <jontysewell@gmail.com>

1 files changed, 7 insertions, 2 deletions

diff --git a/system/libraries/Session/drivers/Session_redis_driver.php b/system/libraries/Session/drivers/Session_redis_driver.php
index e62a3c597..be5b37e81 100644
--- a/system/libraries/Session/drivers/Session_redis_driver.php
+++ b/system/libraries/Session/drivers/Session_redis_driver.php
@@ -72,7 +72,7 @@ class CI_Session_redis_driver extends CI_Session_driver implements SessionHandle
 	/**
 	 * Key exists flag
 	 *
-	 * @var boolean
+	 * @var bool
 	 */
 	protected $_key_exists = FALSE;
 
@@ -204,6 +204,10 @@ class CI_Session_redis_driver extends CI_Session_driver implements SessionHandle
 				$this->_key_exists = FALSE;
 				$session_data = '';
 			}
+			else
+			{
+				$this->_key_exists = TRUE;
+			}
 
 			$this->_fingerprint = md5($session_data);
 			return $session_data;
@@ -237,7 +241,7 @@ class CI_Session_redis_driver extends CI_Session_driver implements SessionHandle
 				return $this->_failure;
 			}
 
-			$this->_fingerprint = md5('');
+			$this->_key_exists = FALSE;
 			$this->_session_id = $session_id;
 		}
 
@@ -249,6 +253,7 @@ class CI_Session_redis_driver extends CI_Session_driver implements SessionHandle
 				if ($this->_redis->set($this->_key_prefix.$session_id, $session_data, $this->_config['expiration']))
 				{
 					$this->_fingerprint = $fingerprint;
+					$this->_key_exists = TRUE;
 					return $this->_success;
 				}