http://www.alixaxel.com/wordpress/2007/07/07/php-validation-isbn-10-and-isbn-13-ean/ 1111111 * 1111111 = 1234567654321 Mon, 06 Oct 2008 23:21:37 +0000 http://wordpress.org/?v=2.5.1 http://www.alixaxel.com/wordpress/2007/07/07/php-validation-isbn-10-and-isbn-13-ean/#comment-280 pooja tayal Wed, 29 Aug 2007 06:43:04 +0000 http://www.alixaxel.com/wordpress/2007/07/07/php-validation-isbn-10-and-isbn-13-ean/#comment-280 thanks for this code,it quickly check validation of ISBN thanks for this code,it quickly check validation of ISBN

]]> http://www.alixaxel.com/wordpress/2007/07/07/php-validation-isbn-10-and-isbn-13-ean/#comment-272 Jemima Wed, 22 Aug 2007 10:09:45 +0000 http://www.alixaxel.com/wordpress/2007/07/07/php-validation-isbn-10-and-isbn-13-ean/#comment-272 Thanks for this, especially the ability to quickly check the validity of an ISBN online. I did similar code a while back. I think the PEAR Validate module includes ISBNs and EANs now, which may be of use to you. Thanks for this, especially the ability to quickly check the validity of an ISBN online. I did similar code a while back. I think the PEAR Validate module includes ISBNs and EANs now, which may be of use to you.

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