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www.mikescher.com/framework/validators/CDateValidator.php

82 lines
2.5 KiB
PHP

<?php
/**
* CDateValidator class file.
*
* @author Qiang Xue <qiang.xue@gmail.com>
* @link http://www.yiiframework.com/
* @copyright 2008-2013 Yii Software LLC
* @license http://www.yiiframework.com/license/
*/
/**
* CDateValidator verifies if the attribute represents a date, time or datetime.
*
* By setting the {@link format} property, one can specify what format the date value
* must be in. If the given date value doesn't follow the format, the attribute is considered as invalid.
*
* @author Qiang Xue <qiang.xue@gmail.com>
* @version $Id: CDateValidator.php 2799 2011-01-01 19:31:13Z qiang.xue $
* @package system.validators
* @since 1.1.7
*/
class CDateValidator extends CValidator
{
/**
* @var mixed the format pattern that the date value should follow.
* This can be either a string or an array representing multiple formats.
* Defaults to 'MM/dd/yyyy'. Please see {@link CDateTimeParser} for details
* about how to specify a date format.
*/
public $format='MM/dd/yyyy';
/**
* @var boolean whether the attribute value can be null or empty. Defaults to true,
* meaning that if the attribute is empty, it is considered valid.
*/
public $allowEmpty=true;
/**
* @var string the name of the attribute to receive the parsing result.
* When this property is not null and the validation is successful, the named attribute will
* receive the parsing result.
*/
public $timestampAttribute;
/**
* Validates the attribute of the object.
* If there is any error, the error message is added to the object.
* @param CModel $object the object being validated
* @param string $attribute the attribute being validated
*/
protected function validateAttribute($object,$attribute)
{
$value=$object->$attribute;
if($this->allowEmpty && $this->isEmpty($value))
return;
$valid=false;
// reason of array checking is explained here: https://github.com/yiisoft/yii/issues/1955
if(!is_array($value))
{
$formats=is_string($this->format) ? array($this->format) : $this->format;
foreach($formats as $format)
{
$timestamp=CDateTimeParser::parse($value,$format,array('month'=>1,'day'=>1,'hour'=>0,'minute'=>0,'second'=>0));
if($timestamp!==false)
{
$valid=true;
if($this->timestampAttribute!==null)
$object->{$this->timestampAttribute}=$timestamp;
break;
}
}
}
if(!$valid)
{
$message=$this->message!==null?$this->message : Yii::t('yii','The format of {attribute} is invalid.');
$this->addError($object,$attribute,$message);
}
}
}