Adds error-level log messages when invalid adapters are set.

1 files changed, 8 insertions, 0 deletions

diff --git a/system/libraries/Cache/Cache.php b/system/libraries/Cache/Cache.php
index 73dec72ab..ff68a4fd8 100644
--- a/system/libraries/Cache/Cache.php
+++ b/system/libraries/Cache/Cache.php
@@ -104,11 +104,19 @@ class CI_Cache extends CI_Driver_Library {
 		{
 			$this->_adapter = $config['adapter'];
 		}
+		elseif (! in_array($config['adapter'], $this->valid_drivers))
+		{
+			log_message('error', 'Cache adapter "'.$config['adapter'].'" is invalid.');
+		}
 
 		if (isset($config['backup']) && in_array($config['backup'], $this->valid_drivers))
 		{
 			$this->_backup_driver = $config['backup'];
 		}
+		elseif (! in_array($config['backup'], $this->valid_drivers))
+		{
+			log_message('error', 'Cache backup adapter "'.$config['backup'].'" is invalid.');
+		}
 
 		isset($config['key_prefix']) && $this->key_prefix = $config['key_prefix'];