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<?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) 2005-2008 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
* @version $Id: Date.php 8553 2008-03-05 16:39:50Z darby $
*/
/**
* @see Zend_Validate_Abstract
*/
require_once 'external/Zend/Validate/Abstract.php';
/**
* @category Zend
* @package Zend_Validate
* @copyright Copyright (c) 2005-2008 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
*/
class Zend_Validate_Date extends Zend_Validate_Abstract {
/**
* Validation failure message key for when the value does not follow the YYYY-MM-DD format
*/
const NOT_YYYY_MM_DD = 'dateNotYYYY-MM-DD';
/**
* Validation failure message key for when the value does not appear to be a valid date
*/
const INVALID = 'dateInvalid';
/**
* Validation failure message key for when the value does not fit the given dateformat or locale
*/
const FALSEFORMAT = 'dateFalseFormat';
/**
* Validation failure message template definitions
*
* @var array
*/
protected $_messageTemplates = array(self::NOT_YYYY_MM_DD => "'%value%' is not of the format YYYY-MM-DD",
self::INVALID => "'%value%' does not appear to be a valid date",
self::FALSEFORMAT => "'%value%' does not fit given date format");
/**
* Optional format
*
* @var string|null
*/
protected $_format;
/**
* Optional locale
*
* @var string|Zend_Locale|null
*/
protected $_locale;
/**
* Sets validator options
*
* @param string $format OPTIONAL
* @param string|Zend_Locale $locale OPTIONAL
* @return void
*/
public function __construct($format = null, $locale = null) {
$this->setFormat($format);
$this->setLocale($locale);
}
/**
* Returns the locale option
*
* @return string|Zend_Locale|null
*/
public function getLocale() {
return $this->_locale;
}
/**
* Sets the locale option
*
* @param string|Zend_Locale $locale
* @return Zend_Validate_Date provides a fluent interface
*/
public function setLocale($locale = null) {
if ($locale !== null) {
require_once 'external/Zend/Locale.php';
if (! Zend_Locale::isLocale($locale)) {
require_once 'external/Zend/Validate/Exception.php';
throw new Zend_Validate_Exception("The locale '$locale' is no known locale");
}
}
$this->_locale = $locale;
return $this;
}
/**
* Returns the locale option
*
* @return string|null
*/
public function getFormat() {
return $this->_format;
}
/**
* Sets the format option
*
* @param string $format
* @return Zend_Validate_Date provides a fluent interface
*/
public function setFormat($format = null) {
$this->_format = $format;
return $this;
}
/**
* Defined by Zend_Validate_Interface
*
* Returns true if $value is a valid date of the format YYYY-MM-DD
* If optional $format or $locale is set the date format is checked
* according to Zend_Date, see Zend_Date::isDate()
*
* @param string $value
* @return boolean
*/
public function isValid($value) {
$valueString = (string)$value;
$this->_setValue($valueString);
if (($this->_format !== null) or ($this->_locale !== null)) {
require_once 'external/Zend/Date.php';
if (! Zend_Date::isDate($value, $this->_format, $this->_locale)) {
$this->_error(self::FALSEFORMAT);
return false;
}
} else {
if (! preg_match('/^\d{4}-\d{2}-\d{2}$/', $valueString)) {
$this->_error(self::NOT_YYYY_MM_DD);
return false;
}
list($year, $month, $day) = sscanf($valueString, '%d-%d-%d');
if (! checkdate($month, $day, $year)) {
$this->_error(self::INVALID);
return false;
}
}
return true;
}
}
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