From 404f4b07d2855b3f33010ed890e2d1e2b936341e Mon Sep 17 00:00:00 2001
From: cocostru <dk.pochtamp@gmail.com>
Date: Thu, 6 Jun 2019 06:04:00 +0800
Subject: [PATCH 1/2] getRequestId() method is not able to capture header #123

---
 src/Message/Response.php | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/Message/Response.php b/src/Message/Response.php
index a94e1e71..95ad3922 100644
--- a/src/Message/Response.php
+++ b/src/Message/Response.php
@@ -386,8 +386,8 @@ public function getCode()
      */
     public function getRequestId()
     {
-        if (isset($this->headers['Request-Id'])) {
-            return $this->headers['Request-Id'][0];
+        if (isset($this->headers[strtolower('Request-Id')])) {
+            return $this->headers[strtolower('Request-Id')][0];
         }
 
         return null;

From e0d9e83eb057f1abd196ce289dcf263638471e8e Mon Sep 17 00:00:00 2001
From: cocostru <dk.pochtamp@gmail.com>
Date: Thu, 6 Jun 2019 06:14:44 +0800
Subject: [PATCH 2/2] getRequestId() method is not able to capture header
 (issue #123). Add.

---
 src/Message/Response.php | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/src/Message/Response.php b/src/Message/Response.php
index 95ad3922..8ab3a196 100644
--- a/src/Message/Response.php
+++ b/src/Message/Response.php
@@ -386,8 +386,12 @@ public function getCode()
      */
     public function getRequestId()
     {
-        if (isset($this->headers[strtolower('Request-Id')])) {
-            return $this->headers[strtolower('Request-Id')][0];
+        if (isset($this->headers['Request-Id'])) {
+            return $this->headers['Request-Id'][0];
+        } else {
+            if (isset($this->headers[strtolower('Request-Id')])) {
+                return $this->headers[strtolower('Request-Id')][0];
+            }
         }
 
         return null;