65 lines
1.1 KiB
PHP
65 lines
1.1 KiB
PHP
<?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\helpers;
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/**
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* Object that represents the removal of array value while performing [[ArrayHelper::merge()]].
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*
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* Usage example:
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*
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* ```php
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* $array1 = [
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* 'ids' => [
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* 1,
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* ],
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* 'validDomains' => [
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* 'example.com',
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* 'www.example.com',
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* ],
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* ];
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*
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* $array2 = [
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* 'ids' => [
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* 2,
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* ],
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* 'validDomains' => new \yii\helpers\UnsetArrayValue(),
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* ];
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*
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* $result = \yii\helpers\ArrayHelper::merge($array1, $array2);
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* ```
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*
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* The result will be
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*
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* ```php
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* [
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* 'ids' => [
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* 1,
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* 2,
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* ],
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* ]
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* ```
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*
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* @author Robert Korulczyk <robert@korulczyk.pl>
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* @since 2.0.10
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*/
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class UnsetArrayValue
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{
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/**
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* Restores class state after using `var_export()`.
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*
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* @param array $state
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* @return UnsetArrayValue
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* @see var_export()
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* @since 2.0.16
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*/
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public static function __set_state($state)
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{
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return new self();
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}
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}
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