<?php /** * @link http://www.yiiframework.com/ * @copyright Copyright (c) 2008 Yii Software LLC * @license http://www.yiiframework.com/license/ */ namespace yii\helpers; /** * Object that represents the removal of array value while performing [[ArrayHelper::merge()]]. * * Usage example: * * ```php * $array1 = [ * 'ids' => [ * 1, * ], * 'validDomains' => [ * 'example.com', * 'www.example.com', * ], * ]; * * $array2 = [ * 'ids' => [ * 2, * ], * 'validDomains' => new \yii\helpers\UnsetArrayValue(), * ]; * * $result = \yii\helpers\ArrayHelper::merge($array1, $array2); * ``` * * The result will be * * ```php * [ * 'ids' => [ * 1, * 2, * ], * ] * ``` * * @author Robert Korulczyk <robert@korulczyk.pl> * @since 2.0.10 */ class UnsetArrayValue { }