From 076ffaa15bb5631509912b4f82efe89525bb9e3e Mon Sep 17 00:00:00 2001
From: Anthony Berton <anthony.berton@bb2a.fr>
Date: Tue, 21 Feb 2023 09:43:35 +0100
Subject: [PATCH] FIX - error datamatrix

---
 .../includes/tecnickcom/tcpdf/include/barcodes/datamatrix.php   | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/htdocs/includes/tecnickcom/tcpdf/include/barcodes/datamatrix.php b/htdocs/includes/tecnickcom/tcpdf/include/barcodes/datamatrix.php
index 19b46fadaf1..783f99da4cd 100644
--- a/htdocs/includes/tecnickcom/tcpdf/include/barcodes/datamatrix.php
+++ b/htdocs/includes/tecnickcom/tcpdf/include/barcodes/datamatrix.php
@@ -629,7 +629,7 @@ class Datamatrix {
 					if ($numch[ENC_C40] == $numch[ENC_X12]) {
 						$k = ($pos + $charscount + 1);
 						while ($k < $data_length) {
-							$tmpchr = ord($data{$k});
+							$tmpchr = ord($data[$k]);
 							if ($this->isCharMode($tmpchr, ENC_X12)) {
 								return ENC_X12;
 							} elseif (!($this->isCharMode($tmpchr, ENC_X12) OR $this->isCharMode($tmpchr, ENC_C40))) {