Optimize get_instance() calls/assignments

1 files changed, 3 insertions, 6 deletions

diff --git a/system/helpers/security_helper.php b/system/helpers/security_helper.php
index 4bb94a201..7a6df5420 100644
--- a/system/helpers/security_helper.php
+++ b/system/helpers/security_helper.php
@@ -49,8 +49,7 @@ if ( ! function_exists('xss_clean'))
 	 */
 	function xss_clean($str, $is_image = FALSE)
 	{
-		$CI =& get_instance();
-		return $CI->security->xss_clean($str, $is_image);
+		return get_instance()->security->xss_clean($str, $is_image);
 	}
 }
 
@@ -66,8 +65,7 @@ if ( ! function_exists('sanitize_filename'))
 	 */
 	function sanitize_filename($filename)
 	{
-		$CI =& get_instance();
-		return $CI->security->sanitize_filename($filename);
+		return get_instance()->security->sanitize_filename($filename);
 	}
 }
 
@@ -107,8 +105,7 @@ if ( ! function_exists('strip_image_tags'))
 	 */
 	function strip_image_tags($str)
 	{
-		$CI =& get_instance();
-		return $CI->security->strip_image_tags($str);
+		return get_instance()->security->strip_image_tags($str);
 	}
 }