ISBN check is a simple PHP class to verify whether
a given book ISBN (International Standard Book
Number) code is valid. It supports ISBN-10,
ISBN-13, and GTIN-14. It will also perform
conversions on valid numbers when possible.
Open source project that offer summary and download services on this page is a project that carry out their development work on other open source development sites. Their work is linked to this page via a feature called OFI, and their work is not carried out here on OSDN site.
