From 88ad000d5a4b748ae1edcd6b45b1c1fbbcf456d6 Mon Sep 17 00:00:00 2001
From: oesi <oesi@technikum-wien.at>
Date: Wed, 24 Jun 2015 11:20:12 +0200
Subject: [PATCH] Barcode Encoding Berechnung korrigiert

---
 include/ean13.function.php | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/include/ean13.function.php b/include/ean13.function.php
index 600c69fd7..875ac12cd 100644
--- a/include/ean13.function.php
+++ b/include/ean13.function.php
@@ -36,7 +36,7 @@ function ean13($datatoencode)
 	//Calculate Check Digit
 	$Factor = 3;
 	$weightedTotal = "0";
-	for($i=mb_strlen($datatoencode);$i>=0;$i--)
+	for($i=mb_strlen($datatoencode)-1;$i>=0;$i--)
 	{
 		//Get the value of each number starting at the end
 		$CurrentChar = mb_substr($datatoencode, $i, 1);
@@ -91,7 +91,7 @@ function ean13($datatoencode)
 			break;
 	}
 	//add the check digit to the end of the barcode . remove the leading digit
-	$datatoencode = mb_substr($datatoencode, 0, 12) . $CheckDigit;
+	$datatoencode = mb_substr($datatoencode, 1, 12) . $CheckDigit;
 	//Now that we have the total number including the check digit, determine character to print
 	//for proper barcoding:
 	$datalen = mb_strlen($datatoencode);
@@ -323,4 +323,4 @@ function ean13($datatoencode)
 	 
 	//Return PrintableString
 	return $Printable_string; 
-}
\ No newline at end of file
+}