URI schemes are not case sensitive

Signed-off-by: Vivek Dinesh <vivekdinesh5@gmail.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/system/libraries/Form_validation.php b/system/libraries/Form_validation.php
index 04445f5b7..d5f67d1da 100644
--- a/system/libraries/Form_validation.php
+++ b/system/libraries/Form_validation.php
@@ -1200,7 +1200,7 @@ class CI_Form_validation {
 			{
 				return FALSE;
 			}
-			elseif ( ! in_array($matches[1], array('http', 'https'), TRUE))
+			elseif ( ! in_array(strtolower($matches[1]), array('http', 'https'), TRUE))
 			{
 				return FALSE;
 			}