9.5/_mime_type_detector_8php_source.html

<?php

declare(strict_types = 1);

namespace ‪TYPO3\CMS\Core\Resource;


/*

 * This file is part of the TYPO3 CMS project.

 *

 * It is free software; you can redistribute it and/or modify it under

 * the terms of the GNU General Public License, either version 2

 * of the License, or any later version.

 *

 * For the full copyright and license information, please read the

 * LICENSE.txt file that was distributed with this source code.

 *

 * The TYPO3 project - inspiring people to share!

 */


final class ‪MimeTypeDetector

{

    private ‪$collection;


    public function ‪__construct()

    {

        $this->collection = new ‪MimeTypeCollection();

    }


    public function getMimeTypesForFileExtension(string $fileExtension): array

    {

        $mimeTypes = [];

        $fileExtension = strtolower($fileExtension);

        foreach ($this->collection->getMap() as $mimeType => $availableExtensions) {

            if (in_array($fileExtension, $availableExtensions, true)) {

                $mimeTypes[] = $mimeType;

            }

        }

        return $mimeTypes;

    }


    public function getFileExtensionsForMimeType(string $mimeType): array

    {

        return $this->collection->getMap()[strtolower($mimeType)] ?? [];

    }

}