diff --git a/system/database/DB_cache.php b/system/database/DB_cache.php
index 448727f..977327a 100644
--- a/system/database/DB_cache.php
+++ b/system/database/DB_cache.php
@@ -1,4 +1,4 @@
-<?php  if (!defined('BASEPATH')) exit('No direct script access allowed');
+<?php  if ( ! defined('BASEPATH')) exit('No direct script access allowed');
 /**
  * CodeIgniter
  *
@@ -66,7 +66,7 @@
 		// Add a trailing slash to the path if needed
 		$path = preg_replace("/(.+?)\/*$/", "\\1/",  $path);
 
-		if (! is_dir($path) OR ! is_really_writable($path))
+		if ( ! is_dir($path) OR ! is_really_writable($path))
 		{
 			// If the path is wrong we'll turn off caching
 			return $this->db->cache_off();
@@ -89,7 +89,7 @@
 	 */
 	function read($sql)
 	{
-		if (! $this->check_path())
+		if ( ! $this->check_path())
 		{
 			return $this->db->cache_off();
 		}
@@ -117,7 +117,7 @@
 	 */
 	function write($sql, $object)
 	{
-		if (! $this->check_path())
+		if ( ! $this->check_path())
 		{
 			return $this->db->cache_off();
 		}
@@ -129,9 +129,9 @@
 		
 		$filename = md5($sql);
 	
-		if (! @is_dir($dir_path))
+		if ( ! @is_dir($dir_path))
 		{
-			if (! @mkdir($dir_path, DIR_WRITE_MODE))
+			if ( ! @mkdir($dir_path, DIR_WRITE_MODE))
 			{
 				return FALSE;
 			}