Set X-Request-ID to server globals (#4)

Set X-Request-ID to server globals

Author: joskfg

src/RequestId.php

@@ -24,15 +24,19 @@ class RequestId
     public function handle(Request $request, \Closure $next, $guard = null)
     {
         $uuid = $request->headers->get('X-Request-ID');
+
         if (is_null($uuid)) {
             $uuid = Uuid::uuid4()->toString();
+
             $request->headers->set('X-Request-ID', $uuid);
         }
 
+        $_SERVER['HTTP_X_REQUEST_ID'] = $uuid;
+
         $response = $next($request);
 
         $response->headers->set('X-Request-ID', $uuid);
 
         return $response;
     }
-}
+}

tests/RequestIdTest.php

@@ -46,6 +46,11 @@ public function testRequestIdShouldBeFilledIfDoesNotExistInRequestAndResponse()
             $request->header('X-Request-ID'),
             'The same X-Request-ID must be set in request and response.'
         );
+        $this->assertEquals(
+            $response->headers->get('X-Request-ID'),
+            $_SERVER['HTTP_X_REQUEST_ID'],
+            'The same X-Request-ID must be set in server globals.'
+        );
     }
 
     public function testPropagateRequestIdToResponseIfProvidedInRequest()
@@ -72,5 +77,10 @@ public function testPropagateRequestIdToResponseIfProvidedInRequest()
             $response->headers->get('X-Request-ID'),
             'The request X-Request-ID header must be set in the response.'
         );
+        $this->assertEquals(
+            '09226165-364a-461a-bf5c-e859d70d907e',
+            $_SERVER['HTTP_X_REQUEST_ID'],
+            'The same X-Request-ID must be set in server globals.'
+        );
     }
-}
+}