Update Kohana to r4374

1 files changed, 3 insertions, 3 deletions

diff --git a/system/helpers/valid.php b/system/helpers/valid.php
index 610076f3..8a3583b2 100644
--- a/system/helpers/valid.php
+++ b/system/helpers/valid.php
@@ -2,7 +2,7 @@
 /**
  * Validation helper class.
  *
- * $Id: valid.php 4187 2009-04-08 04:01:23Z zombor $
+ * $Id: valid.php 4367 2009-05-27 21:23:57Z samsoir $
  *
  * @package    Core
  * @author     Kohana Team
@@ -161,13 +161,13 @@ class valid_Core {
 		for ($i = $length - 1; $i >= 0; $i -= 2)
 		{
 			// Add up every 2nd digit, starting from the right
-			$checksum += substr($number, $i, 1);
+			$checksum += $number[$i];
 		}
 
 		for ($i = $length - 2; $i >= 0; $i -= 2)
 		{
 			// Add up every 2nd digit doubled, starting from the right
-			$double = substr($number, $i, 1) * 2;
+			$double = $number[$i] * 2;
 
 			// Subtract 9 from the double where value is greater than 10
 			$checksum += ($double >= 10) ? $double - 9 : $double;