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55 lines
1.5 KiB
PHP
55 lines
1.5 KiB
PHP
<?php
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/**
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* @link https://www.yiiframework.com/
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* @copyright Copyright (c) 2008 Yii Software LLC
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* @license https://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 or an anonymous function that returns the default value which will
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* be assigned to the attributes being validated if they are empty. The signature of the anonymous function
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* should be as follows,
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*
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* ```php
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* function($model, $attribute) {
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* // compute value
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* return $value;
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* }
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* ```
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*/
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public $value;
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/**
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* @var bool 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 $skipOnEmpty = false;
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/**
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* {@inheritdoc}
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*/
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public function validateAttribute($model, $attribute)
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{
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if ($this->isEmpty($model->$attribute)) {
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if ($this->value instanceof \Closure) {
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$model->$attribute = call_user_func($this->value, $model, $attribute);
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} else {
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$model->$attribute = $this->value;
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}
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}
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}
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}
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