This commit is contained in:
Laurent Destailleur 2022-08-04 16:16:46 +02:00
parent 4a9c9a97e5
commit 8e572d605e

View File

@ -1337,14 +1337,14 @@ class TCPDFBarcode {
// calculate check digit // calculate check digit
$sum_a = 0; $sum_a = 0;
for ($i = 1; $i < $data_len; $i+=2) { for ($i = 1; $i < $data_len; $i+=2) {
$sum_a += $code[$i]; $sum_a += (int) $code[$i];
} }
if ($len > 12) { if ($len > 12) {
$sum_a *= 3; $sum_a *= 3;
} }
$sum_b = 0; $sum_b = 0;
for ($i = 0; $i < $data_len; $i+=2) { for ($i = 0; $i < $data_len; $i+=2) {
$sum_b += ($code[$i]); $sum_b += (int) ($code[$i]);
} }
if ($len < 13) { if ($len < 13) {
$sum_b *= 3; $sum_b *= 3;