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 <?php
 /**
  * Zend Framework
  *
  * LICENSE
  *
  * This source file is subject to the new BSD license that is bundled
  * with this package in the file LICENSE.txt.
  * It is also available through the world-wide-web at this URL:
  * http://framework.zend.com/license/new-bsd
  * If you did not receive a copy of the license and are unable to
  * obtain it through the world-wide-web, please send an email
  * to license@zend.com so we can send you a copy immediately.
  *
  * @category   Zend
  * @package    Zend_Validate
  * @copyright  Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
  * @license    http://framework.zend.com/license/new-bsd     New BSD License
  * @version    $Id$
  */
 
 /**
  * @see Zend_Validate_Barcode_AdapterAbstract
  */
 // require_once 'Zend/Validate/Barcode/AdapterAbstract.php';
 
 /**
  * @category   Zend
  * @package    Zend_Validate
  * @copyright  Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
  * @license    http://framework.zend.com/license/new-bsd     New BSD License
  */
 class Zend_Validate_Barcode_Upce extends Zend_Validate_Barcode_AdapterAbstract
 {
     /**
      * Allowed barcode lengths
      * @var integer
      */
     protected $_length = array(6, 7, 8);
 
     /**
      * Allowed barcode characters
      * @var string
      */
     protected $_characters = '0123456789';
 
     /**
      * Checksum function
      * @var string
      */
     protected $_checksum = '_gtin';
 
     /**
      * Overrides parent checkLength
      *
      * @param string $value Value
      * @return boolean
      */
     public function checkLength($value)
     {
         if (strlen($value) != 8) {
             $this->setCheck(false);
         } else {
             $this->setCheck(true);
         }
 
         return parent::checkLength($value);
     }
 }