HighSpeaker/vendor/workerman/validation/library/Rules/NoWhitespace.php
2022-12-24 22:10:40 +08:00

46 lines
1.0 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 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 (is_scalar($input) === false) {
return false;
}
return !preg_match('#\s#', (string) $input);
}
}