zlibproxy/vendor/workerman/validation/library/Rules/Base.php
2023-01-02 19:56:44 +08:00

69 lines
1.5 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 Respect\Validation\Exceptions\ComponentException;
use function is_null;
use function mb_strlen;
use function mb_substr;
use function preg_match;
use function sprintf;
/**
* Validate numbers in any base, even with non regular bases.
*
* @author Carlos André Ferrari <caferrari@gmail.com>
* @author Henrique Moody <henriquemoody@gmail.com>
* @author William Espindola <oi@williamespindola.com.br>
*/
final class Base extends AbstractRule
{
/**
* @var string
*/
private $chars = '0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ';
/**
* @var int
*/
private $base;
/**
* Initializes the Base rule.
*/
public function __construct(int $base, ?string $chars = null)
{
if (!is_null($chars)) {
$this->chars = $chars;
}
$max = mb_strlen($this->chars);
if ($base > $max) {
throw new ComponentException(sprintf('a base between 1 and %s is required', $max));
}
$this->base = $base;
}
/**
* {@inheritDoc}
*/
public function validate($input): bool
{
$valid = mb_substr($this->chars, 0, $this->base);
return (bool) preg_match('@^[' . $valid . ']+$@', (string) $input);
}
}