<?php
define('IN_CB', true);
include('include/header.php');
registerImageKey('code', 'BCGupce');
$characters = array('0', '1', '2', '3', '4', '5', '6', '7', '8', '9');
?>
<div id="validCharacters">
<h3>Valid Characters</h3>
<?php foreach ($characters as $character) { echo getButton($character); } ?>
</div>
<div id="explanation">
<h3>Explanation</h3>
<ul>
<li>Short version of UPC symbol, 8 characters.</li>
<li>It is a conversion of an UPC-A for small package.</li>
<li>You can provide directly an UPC-A (11 chars) or UPC-E (6 chars) code.</li>
<li>UPC-E contain a system number and a check digit.</li>
</ul>
</div>
<?php
include('include/footer.php');
?>
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