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picqer / php-barcode-generator

Barcode generator in PHP that is easy to use, non-bloated and framework independent.
GNU Lesser General Public License v3.0
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ITF14 checksum fix #203

Open vitkutny opened 1 month ago

vitkutny commented 1 month ago

Fixed wrong ITF14/GTIN14 checksum calculation. Also throws InvalidCheckDigitException when wrong check digit is provided.

Checksum calculation fixed according to https://www.gs1.org/services/how-calculate-check-digit-manually