52 lines
998 B
PHP
52 lines
998 B
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.md"
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* file that was distributed with this source code.
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*/
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namespace Respect\Validation\Rules;
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use SplFileInfo;
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/**
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* Validate file extensions.
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*
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* @author Henrique Moody <henriquemoody@gmail.com>
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*/
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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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public $extension;
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/**
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* @param string $extension
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*/
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public function __construct($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)
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{
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if ($input instanceof SplFileInfo) {
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return ($input->getExtension() == $this->extension);
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}
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if (!is_string($input)) {
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return false;
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}
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return (pathinfo($input, PATHINFO_EXTENSION) == $this->extension);
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}
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}
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