Fixed compatibility with guzzlehttp/psr7:^2.0 (#42)

* Fixed compatibility with `guzzlehttp/psr7:^2.0`

* Specify supported versions

Author: GrahamCampbell

composer.json

@@ -29,6 +29,7 @@
         "php": "^7.2",
         "ext-json": "*",
         "guzzlehttp/guzzle": "^6.1 || ^7.0.1",
+        "guzzlehttp/psr7": "^1.7 || ^2.0",
         "psr/log": "^1.1"
     },
     "require-dev": {

src/Handler/MultiRecordArrayHandler.php

@@ -4,6 +4,7 @@
 
 namespace GuzzleLogMiddleware\Handler;
 
+use GuzzleHttp\Psr7\Query;
 use GuzzleHttp\TransferStats;
 use GuzzleLogMiddleware\Handler\LogLevelStrategy\LogLevelStrategyInterface;
 use Psr\Http\Message\MessageInterface;
@@ -148,7 +149,7 @@ private function formatBody(MessageInterface $message, array $options)
 
         $isForm = preg_grep('/application\/x-www-form-urlencoded/', $contentType);
         if (!empty($isForm)) {
-            $result = \GuzzleHttp\Psr7\parse_query($body);
+            $result = Query::parse($body);
             $stream->rewind();
             return $result;
         }