7 * This source file is subject to the new BSD license that is bundled
8 * with this package in the file LICENSE.txt.
9 * It is also available through the world-wide-web at this URL:
10 * http://framework.zend.com/license/new-bsd
11 * If you did not receive a copy of the license and are unable to
12 * obtain it through the world-wide-web, please send an email
13 * to license@zend.com so we can send you a copy immediately.
16 * @package Zend_Validate
17 * @copyright Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)
18 * @license http://framework.zend.com/license/new-bsd New BSD License
23 * @see Zend_Validate_Barcode_AdapterAbstract
25 require_once 'Zend/Validate/Barcode/AdapterAbstract.php';
29 * @package Zend_Validate
30 * @copyright Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)
31 * @license http://framework.zend.com/license/new-bsd New BSD License
33 class Zend_Validate_Barcode_Upca extends Zend_Validate_Barcode_AdapterAbstract
36 * Allowed barcode lengths
39 protected $_length = 12;
42 * Allowed barcode characters
45 protected $_characters = '0123456789';
51 protected $_checksum = '_gtin';