<?php /* * Copyright (c) Alexandre Gomes Gaigalas <alganet@gmail.com> * SPDX-License-Identifier: MIT */ declare(strict_types=1); namespace Respect\Validation\Rules; use function is_numeric; /** * Validates whether the input is a negative number. * * @author Alexandre Gomes Gaigalas <alganet@gmail.com> * @author Henrique Moody <henriquemoody@gmail.com> * @author Ismael Elias <ismael.esq@hotmail.com> */ final class Negative extends AbstractRule { /** * {@inheritDoc} */ public function validate($input): bool { if (!is_numeric($input)) { return false; } return $input < 0; } }