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51ec5e1b95Also add an extra validation to the rule, not allowing non-integers to be considered as even numbers. Co-Authored-By: Henrique Moody <henriquemoody@gmail.com>
39 lines
865 B
PHP
39 lines
865 B
PHP
<?php
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/*
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* This file is part of Respect/Validation.
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*
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* (c) Alexandre Gomes Gaigalas <alexandre@gaigalas.net>
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*
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* For the full copyright and license information, please view the "LICENSE.md"
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* file that was distributed with this source code.
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*/
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declare(strict_types=1);
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namespace Respect\Validation\Rules;
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use const FILTER_VALIDATE_INT;
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use function filter_var;
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/**
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* Validates whether the input is an even number or not.
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*
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* @author Henrique Moody <henriquemoody@gmail.com>
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* @author Jean Pimentel <jeanfap@gmail.com>
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* @author Paul Karikari <paulkarikari1@gmail.com>
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*/
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final class Even extends AbstractRule
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{
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/**
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* {@inheritdoc}
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*/
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public function validate($input): bool
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{
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if (false === filter_var($input, FILTER_VALIDATE_INT)) {
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return false;
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}
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return 0 === (int) $input % 2;
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}
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}
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