diff --git a/classes/cache/CacheApc.class.php b/classes/cache/CacheApc.class.php
index 067dfcd16..aae37eab0 100644
--- a/classes/cache/CacheApc.class.php
+++ b/classes/cache/CacheApc.class.php
@@ -30,49 +30,42 @@
 			return apc_store(md5(_XE_PATH_.$key), array(time(), $buff), $valid_time);
 		}
 
-		function isValid($key, $modified_time = 0)
-		{
-			$key = md5(_XE_PATH_.$key);
-			$obj = apc_fetch($key, $success);
+		function isValid($key, $modified_time = 0) {
+			$_key = md5(_XE_PATH_.$key);
+			$obj = apc_fetch($_key, $success);
 			if(!$success || !is_array($obj)) return false;
 			unset($obj[1]);
 
-			if($modified_time > 0 && $modified_time > $obj[0])
-			{
-				$this->delete($_key);
+			if($modified_time > 0 && $modified_time > $obj[0]) {
+				$this->_delete($_key);
 				return false;
 			}
 			
 			return true;
 		}
 
-		function get($key, $modified_time = 0)
-		{
-			$key = md5(_XE_PATH_.$key);
-			$obj = apc_fetch($key, $success);
+		function get($key, $modified_time = 0) {
+			$_key = md5(_XE_PATH_.$key);
+			$obj = apc_fetch($_key, $success);
 			if(!$success || !is_array($obj)) return false;
 
-			if($modified_time > 0 && $modified_time > $obj[0])
-			{
-				$this->_delete($key);
+			if($modified_time > 0 && $modified_time > $obj[0]) {
+				$this->_delete($_key);
 				return false;
 			}
 
 			return $obj[1];
 		}
 
-		function _delete($_key)
-		{
+		function _delete($_key) {
 			$this->put($_key,null,1);
 		}
 
-		function delete($key)
-		{
+		function delete($key) {
 			$this->_delete(md5(_XE_PATH_.$key));
 		}
 
-		function truncate() 
-		{
+		function truncate() {
 			apc_clear_cache('user');
 		}
 	}