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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-28 12:39:39 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-28 12:39:39 +0000 |
commit | 8ca6cc32b2c789a3149861159ad258f2cb9491e3 (patch) | |
tree | 2492de6f1528dd44eaa169a5c1555026d9cb75ec /library/vendor/Zend/Validate/Barcode/Issn.php | |
parent | Initial commit. (diff) | |
download | icingaweb2-upstream.tar.xz icingaweb2-upstream.zip |
Adding upstream version 2.11.4.upstream/2.11.4upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'library/vendor/Zend/Validate/Barcode/Issn.php')
-rw-r--r-- | library/vendor/Zend/Validate/Barcode/Issn.php | 118 |
1 files changed, 118 insertions, 0 deletions
diff --git a/library/vendor/Zend/Validate/Barcode/Issn.php b/library/vendor/Zend/Validate/Barcode/Issn.php new file mode 100644 index 0000000..49c705d --- /dev/null +++ b/library/vendor/Zend/Validate/Barcode/Issn.php @@ -0,0 +1,118 @@ +<?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 + */ + +/** + * @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_Issn extends Zend_Validate_Barcode_AdapterAbstract +{ + /** + * Allowed barcode lengths + * @var integer + */ + protected $_length = array(8, 13); + + /** + * Allowed barcode characters + * @var string + */ + protected $_characters = '0123456789X'; + + /** + * Checksum function + * @var string + */ + protected $_checksum = '_gtin'; + + /** + * Allows X on length of 8 chars + * + * @param string $value The barcode to check for allowed characters + * @return boolean + */ + public function checkChars($value) + { + if (strlen($value) != 8) { + if (strpos($value, 'X') !== false) { + return false; + } + } + + return parent::checkChars($value); + } + + /** + * Validates the checksum + * + * @param string $value The barcode to check the checksum for + * @return boolean + */ + public function checksum($value) + { + if (strlen($value) == 8) { + $this->_checksum = '_issn'; + } else { + $this->_checksum = '_gtin'; + } + + return parent::checksum($value); + } + + /** + * Validates the checksum () + * ISSN implementation (reversed mod11) + * + * @param string $value The barcode to validate + * @return boolean + */ + protected function _issn($value) + { + $checksum = substr($value, -1, 1); + $values = str_split(substr($value, 0, -1)); + $check = 0; + $multi = 8; + foreach($values as $token) { + if ($token == 'X') { + $token = 10; + } + + $check += ($token * $multi); + --$multi; + } + + $check %= 11; + $check = 11 - $check; + if ($check == $checksum) { + return true; + } else if (($check == 10) && ($checksum == 'X')) { + return true; + } + + return false; + } +} |