mirror of
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98 lines
2.6 KiB
PHP
98 lines
2.6 KiB
PHP
<?php
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/**
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* Zend Framework
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*
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* LICENSE
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*
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* This source file is subject to the new BSD license that is bundled
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* with this package in the file LICENSE.txt.
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* It is also available through the world-wide-web at this URL:
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* http://framework.zend.com/license/new-bsd
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* If you did not receive a copy of the license and are unable to
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* obtain it through the world-wide-web, please send an email
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* to license@zend.com so we can send you a copy immediately.
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*
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* @category Zend
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* @package Zend_Validate
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* @copyright Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
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* @license http://framework.zend.com/license/new-bsd New BSD License
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* @version $Id$
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*/
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/**
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* @see Zend_Validate_Barcode_AdapterAbstract
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*/
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/**
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* @category Zend
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* @package Zend_Validate
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* @copyright Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
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* @license http://framework.zend.com/license/new-bsd New BSD License
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*/
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class Zend_Validate_Barcode_Code39 extends Zend_Validate_Barcode_AdapterAbstract
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{
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/**
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* Allowed barcode lengths
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* @var integer
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*/
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protected $_length = -1;
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/**
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* Allowed barcode characters
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* @var string
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*/
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protected $_characters = '0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ -.$/+%';
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/**
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* Checksum function
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* @var string
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*/
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protected $_checksum = '_code39';
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/**
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* @var array
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*/
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protected $_check = array(
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'0' => 0, '1' => 1, '2' => 2, '3' => 3, '4' => 4, '5' => 5, '6' => 6,
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'7' => 7, '8' => 8, '9' => 9, 'A' => 10, 'B' => 11, 'C' => 12, 'D' => 13,
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'E' => 14, 'F' => 15, 'G' => 16, 'H' => 17, 'I' => 18, 'J' => 19, 'K' => 20,
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'L' => 21, 'M' => 22, 'N' => 23, 'O' => 24, 'P' => 25, 'Q' => 26, 'R' => 27,
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'S' => 28, 'T' => 29, 'U' => 30, 'V' => 31, 'W' => 32, 'X' => 33, 'Y' => 34,
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'Z' => 35, '-' => 36, '.' => 37, ' ' => 38, '$' => 39, '/' => 40, '+' => 41,
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'%' => 42,
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);
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/**
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* Constructor
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*
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* Sets check flag to false.
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*/
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public function __construct()
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{
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$this->setCheck(false);
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}
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/**
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* Validates the checksum (Modulo 43)
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*
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* @param string $value The barcode to validate
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* @return boolean
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*/
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protected function _code39($value)
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{
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$checksum = substr($value, -1, 1);
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$value = str_split(substr($value, 0, -1));
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$count = 0;
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foreach($value as $char) {
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$count += $this->_check[$char];
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}
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$mod = $count % 43;
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if ($mod == $this->_check[$checksum]) {
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return true;
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}
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return false;
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}
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}
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