Use hrtime over microtime

Author: GrahamCampbell

composer.json

@@ -14,7 +14,8 @@
         "php": "^5.4 || ^7.0",
         "psr/log": "^1.0",
         "php-http/client-common": "^1.9 || ^2.0",
-        "php-http/message": "^1.0"
+        "php-http/message": "^1.0",
+        "symfony/polyfill-php73": "^1.17"
     },
     "require-dev": {
         "phpspec/phpspec": "^2.5",

src/LoggerPlugin.php

@@ -31,11 +31,11 @@ public function __construct(LoggerInterface $logger, Formatter $formatter = null
 
     protected function doHandleRequest(RequestInterface $request, callable $next, callable $first)
     {
-        $start = microtime(true);
+        $start = hrtime(true)/1E6;
         $this->logger->info(sprintf("Sending request:\n%s", $this->formatter->formatRequest($request)), ['request' => $request]);
 
         return $next($request)->then(function (ResponseInterface $response) use ($request, $start) {
-            $milliseconds = (int) round((microtime(true) - $start) * 1000);
+            $milliseconds = (int) round(hrtime(true)/1E6 - $start);
             $this->logger->info(
                 sprintf("Received response:\n%s\n\nfor request:\n%s", $this->formatter->formatResponse($response), $this->formatter->formatRequest($request)),
                 [
@@ -47,7 +47,7 @@ protected function doHandleRequest(RequestInterface $request, callable $next, ca
 
             return $response;
         }, function (Exception $exception) use ($request, $start) {
-            $milliseconds = (int) round((microtime(true) - $start) * 1000);
+            $milliseconds = (int) round((hrtime(true)/1E6 - $start));
             if ($exception instanceof Exception\HttpException) {
                 $this->logger->error(
                     sprintf("Error:\n%s\nwith response:\n%s\n\nwhen sending request:\n%s", $exception->getMessage(), $this->formatter->formatResponse($exception->getResponse()), $this->formatter->formatRequest($request)),