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1
1<?php
2
3/**
4 * @author: Doug Wilbourne (dougwilbourne@gmail.com)
5 */
6
7declare(strict_types=1);
8
9namespace pvc\validator\val_tester\null;
10
11use pvc\interfaces\validator\ValTesterInterface;
12
13/**
14 * Class CanBeNull
15 * @implements ValTesterInterface<mixed>
16 */
17class IsNull implements ValTesterInterface
18{
19    public function testValue(mixed $value): bool
20    {
21        return is_null($value);
22    }
23}