1 <?php
 2 
 3 namespace Http\Message\StreamFactory;
 4 
 5 use Http\Message\StreamFactory;
 6 use Psr\Http\Message\StreamInterface;
 7 use Zend\Diactoros\Stream;
 8 
 9 /**
10  * Creates Diactoros streams.
11  *
12  * @author Михаил Красильников <m.krasilnikov@yandex.ru>
13  */
14 final class DiactorosStreamFactory implements StreamFactory
15 {
16     /**
17      * {@inheritdoc}
18      */
19     public function createStream($body = null)
20     {
21         if (!$body instanceof StreamInterface) {
22             if (is_resource($body)) {
23                 $body = new Stream($body);
24             } else {
25                 $stream = new Stream('php://memory', 'rw');
26 
27                 if (null !== $body) {
28                     $stream->write((string) $body);
29                 }
30 
31                 $body = $stream;
32             }
33         }
34 
35         $body->rewind();
36 
37         return $body;
38     }
39 }
40 

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