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Fale / isbn

PHP ISBN library
GNU Affero General Public License v3.0
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Invalid ISBNs pass the validator #18

Open korzo opened 6 years ago

korzo commented 6 years ago

I tried several invalid ISBNs, but all pass the validation in v3.0.3.

$isbn = new \Isbn\Isbn();
var_dump($isbn->validation->isbn('7640108702869'));
var_dump($isbn->validation->isbn('5055300330994'));
var_dump($isbn->validation->isbn('5017239196706'));
var_dump($isbn->validation->isbn('0090204645565'));
var_dump($isbn->validation->isbn('4013594529877'));

show 5x true.