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Incam_SGD/thirdparty/ZendFramework/library/Zend/Validate/Date.php

86 lines
2.2 KiB
PHP

<?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: Date.php 4135 2007-03-20 12:46:11Z darby $
*/
/**
* @see Zend_Validate_Interface
*/
require_once 'Zend/Validate/Interface.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_Date implements Zend_Validate_Interface
{
/**
* Array of validation failure messages
*
* @var array
*/
protected $_messages = array();
/**
* Defined by Zend_Validate_Interface
*
* Returns true if and only if $value is a valid date of the format YYYY-MM-DD
*
* @param string $value
* @return boolean
*/
public function isValid($value)
{
$this->_messages = array();
$valueString = (string) $value;
if (!preg_match('/\d{4}-\d{2}-\d{2}/', $valueString)) {
$this->_messages[] = "'$valueString' is not of the format YYYY-MM-DD";
return false;
}
list($year, $month, $day) = sscanf($valueString, '%d-%d-%d');
if (!checkdate($month, $day, $year)) {
$this->_messages[] = "'$valueString' does not appear to be a valid date";
return false;
}
return true;
}
/**
* Defined by Zend_Validate_Interface
*
* Returns array of validation failure messages
*
* @return array
*/
public function getMessages()
{
return $this->_messages;
}
}