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<?php
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/**
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* CDateValidator class file.
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*
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* @link http://www.yiiframework.com/
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* @copyright Copyright © 2008-2012 Yii Software LLC
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* @license http://www.yiiframework.com/license/
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*/
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namespace yii\validators;
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/**
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* CDateValidator verifies if the attribute represents a date, time or datetime.
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*
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* By setting the {@link format} property, one can specify what format the date value
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* must be in. If the given date value doesn't follow the format, the attribute is considered as invalid.
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*
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* @author Qiang Xue <qiang.xue@gmail.com>
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* @version $Id: CDateValidator.php 2799 2011-01-01 19:31:13Z qiang.xue $
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* @package system.validators
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* @since 1.1.7
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*/
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class CDateValidator extends CValidator
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{
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/**
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* @var mixed the format pattern that the date value should follow.
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* This can be either a string or an array representing multiple formats.
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* Defaults to 'MM/dd/yyyy'. Please see {@link CDateTimeParser} for details
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* about how to specify a date format.
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*/
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public $format = 'MM/dd/yyyy';
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/**
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* @var boolean whether the attribute value can be null or empty. Defaults to true,
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* meaning that if the attribute is empty, it is considered valid.
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*/
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public $allowEmpty = true;
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/**
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* @var string the name of the attribute to receive the parsing result.
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* When this property is not null and the validation is successful, the named attribute will
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* receive the parsing result.
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*/
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public $timestampAttribute;
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/**
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* Validates the attribute of the object.
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* If there is any error, the error message is added to the object.
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* @param CModel $object the object being validated
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* @param string $attribute the attribute being validated
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*/
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protected function validateAttribute($object, $attribute)
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{
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$value = $object->$attribute;
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if ($this->allowEmpty && $this->isEmpty($value))
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return;
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$formats = is_string($this->format) ? array($this->format) : $this->format;
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$valid = false;
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foreach ($formats as $format)
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{
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$timestamp = CDateTimeParser::parse($value, $format, array('month' => 1, 'day' => 1, 'hour' => 0, 'minute' => 0, 'second' => 0));
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if ($timestamp !== false)
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{
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$valid = true;
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if ($this->timestampAttribute !== null)
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$object-> {$this->timestampAttribute} = $timestamp;
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break;
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}
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}
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if (!$valid)
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{
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$message = $this->message !== null ? $this->message : Yii::t('yii', 'The format of {attribute} is invalid.');
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$this->addError($object, $attribute, $message);
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}
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}
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}
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