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Class yii\helpers\UnsetArrayValue

All Classes | Methods
Inheritanceyii\helpers\UnsetArrayValue
Available since version2.0.10
Source Code https://github.com/yiisoft/yii2/blob/master/framework/helpers/UnsetArrayValue.php

Object that represents the removal of array value while performing yii\helpers\ArrayHelper::merge().

Usage example:

$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

[
    'ids' => [
        1,
        2,
    ],
]

Public Methods

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Method Description Defined By
__set_state() Restores class state after using var_export(). yii\helpers\UnsetArrayValue

Method Details

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__set_state() public static method (available since version 2.0.16)

Restores class state after using var_export().

See also https://www.php.net/manual/en/function.var-export.php.

public static yii\helpers\UnsetArrayValue __set_state ( $state )
$state array 

                public static function __set_state($state)
{
    return new self();
}