cvs: pear /Validate Validate.php

pajoye Wed Dec 10 10:06:24 2003 EDT Modified files: /pear/Validate Validate.php Log: - Add EAN8 method Index: pear/Validate/Validate.php diff -u pear/Validate/Validate.php:1.36 pear/Validate/Validate.php:1.37 --- pear/Validate/Validate.php:1.36 Tue Dec 9 10:42:38 2003 +++ pear/Validate/Validate.php Wed Dec 10 10:06:24 2003 @@ -5,10 +5,10 @@ // +----------------------------------------------------------------------+ // | Copyright (c) 1997-2003 The PHP Group | // +----------------------------------------------------------------------+ -// | This source file is subject to version 2.02 of the PHP license, | +// | This source file is subject to version 3.0 of the PHP license, | // | that is bundled with this package in the file LICENSE, and is | -// | available at through the world-wide-web at | -// | http://www.php.net/license/2_02.txt. | +// | available through the world-wide-web at the following url: | +// | http://www.php.net/license/3_0.txt. | // | If you did not receive a copy of the PHP license and are unable to | // | obtain it through the world-wide-web, please send a note to | // | license@php.net so we can mail you a copy immediately. | @@ -17,7 +17,7 @@ // | Pierre-Alain Joye <paj@pearfr.org> | // +----------------------------------------------------------------------+ // -// $Id: Validate.php,v 1.36 2003/12/09 15:42:38 pajoye Exp $ +// $Id: Validate.php,v 1.37 2003/12/10 15:06:24 pajoye Exp $ // // Methods for common data validations // @@ -188,7 +188,6 @@ function creditCard($creditCard) { $creditCard = preg_replace('/[^0-9]/','',$creditCard); - if (empty($creditCard) || ($len_number = strlen($creditCard)) <= 0) { return false; } @@ -438,6 +437,33 @@ return Validate::_check_control_number($ismn, $weights_ismn, 10, 10); } + + /** + * Validate a EAN/UCC-8 number + * + * This function checks given EAN8 number + * used to identify trade items and special applications. + * http://www.ean-ucc.org/ + * http://www.uc-council.org/checkdig.htm + * + * @param string $ean number (only numeric chars will be considered) + * @return bool true if number is valid, otherwise false + * @author Piotr Klaban <makler@man.torun.pl> + */ + function ean8($ean) + { + static $weights_ean8 = array(3,1,3,1,3,1,3); + + $ean = str_replace(array('-','/',' ',"\t","\n"), '', $ean); + + // check if this is a 8-digit number + if (!is_numeric($ean) || strlen($ean) != 8) { + return false; + } + + return Validate::_check_control_number($ean, $weights_ean8, 10, 10); + } + /** * Validate a EAN/UCC-13 number *