55 lines
920 B
PHP
55 lines
920 B
PHP
<?php
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/*
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* Copyright (c) Alexandre Gomes Gaigalas <alganet@gmail.com>
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* SPDX-License-Identifier: MIT
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*/
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declare(strict_types=1);
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namespace Respect\Validation\Rules;
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/**
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* Validates the given input with a defined rule when input is not NULL.
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*
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* @author Jens Segers <segers.jens@gmail.com>
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*/
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final class Nullable extends AbstractWrapper
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{
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/**
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* {@inheritDoc}
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*/
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public function assert($input): void
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{
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if ($input === null) {
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return;
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}
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parent::assert($input);
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}
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/**
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* {@inheritDoc}
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*/
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public function check($input): void
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{
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if ($input === null) {
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return;
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}
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parent::check($input);
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}
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/**
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* {@inheritDoc}
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*/
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public function validate($input): bool
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{
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if ($input === null) {
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return true;
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}
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return parent::validate($input);
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}
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}
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