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

60 lines
1.1 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 file
* that was distributed with this source code.
*/
declare(strict_types=1);
namespace Respect\Validation\Rules;
use SplFileInfo;
use function is_string;
use function pathinfo;
use const PATHINFO_EXTENSION;
/**
* Validate file extensions.
*
* @author Danilo Correa <danilosilva87@gmail.com>
* @author Henrique Moody <henriquemoody@gmail.com>
*/
final class Extension extends AbstractRule
{
/**
* @var string
*/
private $extension;
/**
* Initializes the rule.
*/
public function __construct(string $extension)
{
$this->extension = $extension;
}
/**
* {@inheritDoc}
*/
public function validate($input): bool
{
if ($input instanceof SplFileInfo) {
return $this->extension === $input->getExtension();
}
if (!is_string($input)) {
return false;
}
return $this->extension === pathinfo($input, PATHINFO_EXTENSION);
}
}