43 lines
880 B
PHP
43 lines
880 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 finfo;
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use SplFileInfo;
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class Image extends AbstractRule
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{
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public $fileInfo;
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public function __construct(finfo $fileInfo = null)
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{
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$this->fileInfo = $fileInfo ?: new finfo(FILEINFO_MIME_TYPE);
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}
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public function validate($input)
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{
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if ($input instanceof SplFileInfo) {
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$input = $input->getPathname();
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}
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if (!is_string($input)) {
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return false;
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}
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if (!is_file($input)) {
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return false;
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}
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return (0 === strpos($this->fileInfo->file($input), 'image/'));
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}
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}
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