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<?php
/**
* @see https://github.com/zendframework/zend-diactoros for the canonical source repository
* @copyright Copyright (c) 2018 Zend Technologies USA Inc. (https://www.zend.com)
* @license https://github.com/zendframework/zend-diactoros/blob/master/LICENSE.md New BSD License
*/
declare(strict_types=1);
namespace Zend\Diactoros;
use Psr\Http\Message\StreamFactoryInterface;
use Psr\Http\Message\StreamInterface;
use function fopen;
use function fwrite;
use function get_resource_type;
use function is_resource;
use function rewind;
class StreamFactory implements StreamFactoryInterface
{
/**
* {@inheritDoc}
*/
public function createStream(string $content = '') : StreamInterface
{
$resource = fopen('php://temp', 'r+');
fwrite($resource, $content);
rewind($resource);
return $this->createStreamFromResource($resource);
}
/**
* {@inheritDoc}
*/
public function createStreamFromFile(string $file, string $mode = 'r') : StreamInterface
{
return new Stream($file, $mode);
}
/**
* {@inheritDoc}
*/
public function createStreamFromResource($resource) : StreamInterface
{
if (! is_resource($resource) || 'stream' !== get_resource_type($resource)) {
throw new Exception\InvalidArgumentException(
'Invalid stream provided; must be a stream resource'
);
}
return new Stream($resource);
}
}
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