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<?php
namespace Http\Message\StreamFactory;
use Http\Message\StreamFactory;
use Psr\Http\Message\StreamInterface;
use Zend\Diactoros\Stream;
/**
* Creates Diactoros streams.
*
* @author Михаил Красильников <m.krasilnikov@yandex.ru>
*/
final class DiactorosStreamFactory implements StreamFactory
{
/**
* {@inheritdoc}
*/
public function createStream($body = null)
{
if ($body instanceof StreamInterface) {
return $body;
}
if (is_resource($body)) {
return new Stream($body);
}
$stream = new Stream('php://memory', 'rw');
if (null !== $body && '' !== $body) {
$stream->write((string) $body);
}
return $stream;
}
}
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