* SPDX-License-Identifier: MIT */ declare(strict_types=1); namespace Respect\Validation\Rules; use function is_string; /** * Validates whether the type of an input is string or not. * * @author Alexandre Gomes Gaigalas * @author Henrique Moody */ final class StringType extends AbstractRule { /** * {@inheritDoc} */ public function validate($input): bool { return is_string($input); } }