<?php /* * Copyright (c) Alexandre Gomes Gaigalas <alganet@gmail.com> * SPDX-License-Identifier: MIT */ declare(strict_types=1); namespace Respect\Validation\Rules; use function is_object; use function is_scalar; use function method_exists; /** * Validates whether the input can be used as a string. * * @author Danilo Correa <danilosilva87@gmail.com> * @author Henrique Moody <henriquemoody@gmail.com> */ final class StringVal extends AbstractRule { /** * {@inheritDoc} */ public function validate($input): bool { return is_scalar($input) || (is_object($input) && method_exists($input, '__toString')); } }