### Bug Report | Q | A |------------ | ------ | Version(s) | all #### Summary Some Barcode validator adapters do not have checksum validation implemented, but this validation is most likely part of the spec for those types: - [Code 39 Extended](https://github.com/laminas/laminas-validator/blob/3.0.x/src/Barcode/Code39ext.php) - [Code 93 Extended](https://github.com/laminas/laminas-validator/blob/3.0.x/src/Barcode/Code93ext.php) First discovered in #291