StreamFactory.php

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<?php
 
declare(strict_types=1);
 
/*
 * 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!
 */
 
namespace ‪TYPO3\CMS\Core\Http;
 
use Psr\Http\Message\StreamFactoryInterface;
use Psr\Http\Message\StreamInterface;
 
class ‪StreamFactory implements StreamFactoryInterface
{
    public function ‪createStream(string $content = ''): StreamInterface
    {
        $stream = new ‪Stream('php://temp', 'r+');
        if ($content !== '') {
            $stream->write($content);
        }
        return $stream;
    }
 
    public function ‪createStreamFromFile(string $filename, string $mode = 'r'): StreamInterface
    {
        $resource = @fopen($filename, $mode);
        if ($resource === false) {
            if ($mode === '' || in_array($mode[0], ['r', 'w', 'a', 'x', 'c'], true) === false) {
                throw new \InvalidArgumentException('The mode ' . $mode . ' is invalid.', 1566823434);
            }
 
            throw new \RuntimeException('The file ' . $filename . ' cannot be opened.', 1566823435);
        }
 
        return new ‪Stream($resource);
    }
 
    public function ‪createStreamFromResource($resource): StreamInterface
    {
        if (!is_resource($resource) || get_resource_type($resource) !== 'stream') {
            throw new \InvalidArgumentException('Invalid stream provided; must be a stream resource', 1566853697);
        }
        return new ‪Stream($resource);
    }
}