60 lines
1.1 KiB
PHP
60 lines
1.1 KiB
PHP
<?php
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/*
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* This file is part of Respect/Validation.
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*
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* (c) Alexandre Gomes Gaigalas <alexandre@gaigalas.net>
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*
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* For the full copyright and license information, please view the LICENSE file
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* that was distributed with this source code.
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*/
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declare(strict_types=1);
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namespace Respect\Validation\Rules;
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use SplFileInfo;
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use function is_string;
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use function pathinfo;
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use const PATHINFO_EXTENSION;
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/**
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* Validate file extensions.
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*
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* @author Danilo Correa <danilosilva87@gmail.com>
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* @author Henrique Moody <henriquemoody@gmail.com>
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*/
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final class Extension extends AbstractRule
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{
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/**
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* @var string
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*/
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private $extension;
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/**
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* Initializes the rule.
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*/
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public function __construct(string $extension)
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{
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$this->extension = $extension;
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}
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/**
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* {@inheritDoc}
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*/
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public function validate($input): bool
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{
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if ($input instanceof SplFileInfo) {
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return $this->extension === $input->getExtension();
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}
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if (!is_string($input)) {
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return false;
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}
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return $this->extension === pathinfo($input, PATHINFO_EXTENSION);
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}
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}
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