[Web4lib] Re: Conversion between ISBN-10 and ISBN-13

[David Pattern]

> Hi,
> 
> Can anyone tell me what the conversion between ISBN-10 and ISBN-13 is,
> please.  I need to write a little conversion program.  Anything in PHP,
> for example.
> 
> Thanks a lot.
> David Kane

Hi David
 
John Blyberg has done a PHP port of a Perl conversion script: 
http://www.blyberg.net/2006/04/05/php-port-of-isbn-1013-tool/
 
regards
Dave Pattern
University of Huddersfield

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