zlibproxy/vendor/workerman/validation/library/Rules/NoWhitespace.php

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2023-01-02 19:56:44 +08:00
<?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);
}
}