respect-validation/library/Rules/NoWhitespace.php
Danilo Benevides 1e89dc26ea
Apply contribution guidelines to "NoWhitespace" rule
Co-Authored-By: Henrique Moody <henriquemoody@gmail.com>
2018-06-09 08:54:25 +02:00

45 lines
1 KiB
PHP

<?php
/*
* This file is part of Respect/Validation.
*
* (c) Alexandre Gomes Gaigalas <alexandre@gaigalas.net>
*
* For the full copyright and license information, please view the "LICENSE.md"
* file that was distributed with this source code.
*/
declare(strict_types=1);
namespace Respect\Validation\Rules;
use function is_null;
use function is_scalar;
use function preg_match;
/**
* Validates whether a string contains no whitespace (spaces, tabs and line breaks).
*
* @author Alexandre Gomes Gaigalas <alexandre@gaigalas.net>
* @author Augusto Pascutti <augusto@phpsp.org.br>
* @author Danilo Benevides <danilobenevides01@gmail.com>
* @author Henrique Moody <henriquemoody@gmail.com>
*/
final class NoWhitespace extends AbstractRule
{
/*
* {@inheritdoc}
*/
public function validate($input): bool
{
if (is_null($input)) {
return true;
}
if (false === is_scalar($input)) {
return false;
}
return !preg_match('#\s#', (string) $input);
}
}