Zend Framework: Zend_Validate_BankAccount_Be Component Proposal

Proposed Component Name	Zend_Validate_BankAccount_Be
Developer Notes	http://framework.zend.com/wiki/display/ZFDEV/Zend_Validate_BankAccount_Be
Proposers	Andries Seutens
Revision	1.0 - 4 February 2008: Updated from community comments. (wiki revision: 9)

<?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) 2005-2007 Zend Technologies USA Inc. (http://www.zend.com)
 * @license    http://framework.zend.com/license/new-bsd     New BSD License
 * @version    $Id$
 */


/**
 * @see Zend_Validate_Abstract
 */
require_once 'Zend/Validate/Abstract.php';


/**
 * @category   Zend
 * @package    Zend_Validate
 * @copyright  Copyright (c) 2005-2007 Zend Technologies USA Inc. (http://www.zend.com)
 * @license    http://framework.zend.com/license/new-bsd     New BSD License
 */
class Zend_Validate_BankAccount_Be extends Zend_Validate_Abstract
{
    const FORMAT      = 'formatMismatch';
    const CHECK_DIGIT = 'checkDigit';

    /**
     * @var array
     */
    protected $_messageTemplates = array(
        self::FORMAT      => "'%value%' has an invalid format",
        self::CHECK_DIGIT => "'%value%' check digit mismatch",
    );

    /**
     * Defined by Zend_Validate_Interface
     *
     * Returns true if and only if $value contains a valid Belgian bank transfer message
     *
     * @param  string $value
     * @return boolean
     */
    public function isValid($value)
    {
        // 1-3 number for the bank socity, 4-10 number for the account, 11-12 check digit
        if ((bool) ereg('^[0-9]{3}[ ./-]?[0-9]{4}[ ./-]?[0-9]{5}$', $value)) {
            $bankTransferMessage = preg_replace('/[Zend_Font - Karol Babioch^0-9]/', '', $value);

            list($number, $checkDigit) = sscanf($bankTransferMessage, '%10d%2d');
            if ($checkDigit == fmod($number, 97)) {
                return true;
            } else {
                $this->_error(self::CHECK_DIGIT);
                return false;
            }
        } else {
            $this->_error(self::FORMAT);
            return false;
        }
    }
}

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Zend_Validate_BankAccount_Be - Andries Seutens

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Zend Framework: Zend_Validate_BankAccount_Be Component Proposal

Table of Contents

1. Overview

2. References

3. Component Requirements, Constraints, and Acceptance Criteria

4. Dependencies on Other Framework Components

5. Theory of Operation

6. Milestones / Tasks

7. Class Index

8. Use Cases

9. Class Skeletons