Switch to future-compatible Guzzle

composer.json

@@ -20,7 +20,7 @@
     "require": {
         "php": ">=7.3",
         "psr/http-factory": "^1.0",
-        "guzzlehttp/psr7": "^1.4.2||^2.0"
+        "guzzlehttp/psr7": "^1.7||^2.0"
     },
     "require-dev": {
         "http-interop/http-factory-tests": "^0.9",

src/StreamFactory.php

@@ -7,39 +7,20 @@
 use Psr\Http\Message\StreamFactoryInterface;
 use Psr\Http\Message\StreamInterface;
 
-use function GuzzleHttp\Psr7\stream_for;
-use function GuzzleHttp\Psr7\try_fopen;
-
 class StreamFactory implements StreamFactoryInterface
 {
     public function createStream(string $content = ''): StreamInterface
     {
-        if (\function_exists('stream_for')) {
-            // fallback for guzzlehttp/psr7<1.7.0
-            return stream_for($content);
-        }
         return Utils::streamFor($content);
     }
 
     public function createStreamFromFile(string $file, string $mode = 'r'): StreamInterface
     {
-        if (\function_exists('try_fopen') && \function_exists('steam_for')) {
-            // fallback for guzzlehttp/psr7<1.7.0
-            $resource = try_fopen($file, $mode);
-
-            return stream_for($resource);
-        }
-        $resource = Utils::tryFopen($file, $mode);
-
-        return new Stream($resource);
+        return $this->createStreamFromResource(Utils::tryFopen($file, $mode));
     }
 
     public function createStreamFromResource($resource): StreamInterface
     {
-        if (\function_exists('stream_for')) {
-            // fallback for guzzlehttp/psr7<1.7.0
-            return stream_for($resource);
-        }
         return new Stream($resource);
     }
 }