Comments on: Convert ISBN10 to ISBN13 with PHP http://www.linein.org/blog/2007/01/05/convert-isbn10-to-isbn13-with-php/ Sun, 08 Jan 2012 10:37:57 +0000 hourly 1 http://wordpress.org/?v=3.3 By: Paul http://www.linein.org/blog/2007/01/05/convert-isbn10-to-isbn13-with-php/comment-page-1/#comment-6042 Paul Wed, 17 Aug 2011 18:11:23 +0000 http://linein.org/blog/2007/01/05/convert-isbn10-to-isbn13-with-php/#comment-6042 This works great - Thank you! This works great – Thank you!

]]> By: Karunakar http://www.linein.org/blog/2007/01/05/convert-isbn10-to-isbn13-with-php/comment-page-1/#comment-5969 Karunakar Tue, 05 Jul 2011 12:40:03 +0000 http://linein.org/blog/2007/01/05/convert-isbn10-to-isbn13-with-php/#comment-5969 Thank you very much. Works perfectly. You saved my time as i was going to write it myself. :) :) Thank you very much. Works perfectly. You saved my time as i was going to write it myself. :) :)

]]> By: David http://www.linein.org/blog/2007/01/05/convert-isbn10-to-isbn13-with-php/comment-page-1/#comment-5944 David Wed, 22 Jun 2011 21:11:55 +0000 http://linein.org/blog/2007/01/05/convert-isbn10-to-isbn13-with-php/#comment-5944 <code> <?php $isbn = '978' . substr($isbn10, 0, -1); for ($i = 0; $i 0) $checkDigit = 10 - $checkDigit; $isbn .= $checkDigit; echo('ISBN-13: ' . $isbn); ?> </code>
<?php

$isbn = '978' . substr($isbn10, 0, -1);

for ($i = 0; $i 0)
$checkDigit = 10 - $checkDigit;

$isbn .= $checkDigit;

echo('ISBN-13: ' . $isbn);

?>

]]> By: John http://www.linein.org/blog/2007/01/05/convert-isbn10-to-isbn13-with-php/comment-page-1/#comment-4777 John Mon, 08 Nov 2010 22:31:38 +0000 http://linein.org/blog/2007/01/05/convert-isbn10-to-isbn13-with-php/#comment-4777 $tb is undefined at first. Should it be 0? or some other number $tb is undefined at first. Should it be 0? or some other number

]]> By: Bob Zipoli http://www.linein.org/blog/2007/01/05/convert-isbn10-to-isbn13-with-php/comment-page-1/#comment-4516 Bob Zipoli Mon, 26 Apr 2010 17:54:22 +0000 http://linein.org/blog/2007/01/05/convert-isbn10-to-isbn13-with-php/#comment-4516 Excellent - thank you! Excellent – thank you!

]]> By: PASH http://www.linein.org/blog/2007/01/05/convert-isbn10-to-isbn13-with-php/comment-page-1/#comment-2827 PASH Thu, 12 Feb 2009 07:34:58 +0000 http://linein.org/blog/2007/01/05/convert-isbn10-to-isbn13-with-php/#comment-2827 thank you very much .. thank you very much ..

]]> By: Pablo Morales http://www.linein.org/blog/2007/01/05/convert-isbn10-to-isbn13-with-php/comment-page-1/#comment-2235 Pablo Morales Wed, 08 Oct 2008 21:45:45 +0000 http://linein.org/blog/2007/01/05/convert-isbn10-to-isbn13-with-php/#comment-2235 Thank you!! Thank you!!

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