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<?php
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/**
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* @link http://www.yiiframework.com/
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* @copyright Copyright (c) 2008 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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* DefaultValueValidator sets the attribute to be the specified default value.
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*
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* DefaultValueValidator is not really a validator. It is provided mainly to allow
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* specifying attribute default values when they are empty.
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*
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* @author Qiang Xue <qiang.xue@gmail.com>
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* @since 2.0
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*/
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class DefaultValueValidator extends Validator
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{
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/**
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* @var mixed the default value to be set to the specified attributes.
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*/
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public $value;
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/**
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* @var boolean this property is overwritten to be false so that this validator will
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* be applied when the value being validated is empty.
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*/
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public $skipOnEmpty = false;
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/**
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* Validates the attribute of the object.
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* @param \yii\base\Model $object the object being validated
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* @param string $attribute the attribute being validated
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*/
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public function validateAttribute($object, $attribute)
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{
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if ($this->isEmpty($object->$attribute)) {
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$object->$attribute = $this->value;
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}
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}
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}
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