From 4e0c1ebf4c49438b1b4c3826a5b80ad3ac26c908 Mon Sep 17 00:00:00 2001
From: atymic <atymicq@gmail.com>
Date: Tue, 7 Jan 2020 20:23:07 +1100
Subject: [PATCH 1/3] fix: broken test with header casing issues

---
 .gitignore                    |  1 +
 tests/Httpful/HttpfulTest.php | 20 ++++++++++++++++++++
 2 files changed, 21 insertions(+)

diff --git a/.gitignore b/.gitignore
index 6cf3a90..7b39a0b 100644
--- a/.gitignore
+++ b/.gitignore
@@ -3,3 +3,4 @@ composer.lock
 vendor
 downloads
 .idea/*
+tests/.phpunit.result.cache
diff --git a/tests/Httpful/HttpfulTest.php b/tests/Httpful/HttpfulTest.php
index 71b66ba..be9de52 100644
--- a/tests/Httpful/HttpfulTest.php
+++ b/tests/Httpful/HttpfulTest.php
@@ -32,6 +32,15 @@ class HttpfulTest extends \PHPUnit\Framework\TestCase
 Content-Type: application/json
 Connection: keep-alive
 Transfer-Encoding: chunked\r\n";
+    const SAMPLE_JSON_HEADER_LOWERCASE =
+        "HTTP/2 200 
+date: Tue, 07 Jan 2020 09:11:21 GMT
+content-type: application/json
+content-length: 513
+access-control-allow-origin: *
+access-control-allow-methods: GET, POST, PUT, PATCH, DELETE
+access-control-allow-headers: Authorization, Content-Type, Accept-Encoding, Cache-Control, DNT
+cache-control: private, must-revalidate\r\n";
     const SAMPLE_JSON_RESPONSE = '{"key":"value","object":{"key":"value"},"array":[1,2,3,4]}';
     const SAMPLE_CSV_HEADER =
 "HTTP/1.1 200 OK
@@ -268,6 +277,17 @@ function testJsonResponseParse()
         $this->assertEquals(1, $response->body->array[0]);
     }
 
+    function testJsonResponseParseLowercaseHeaders()
+    {
+        $req = Request::init();
+        $response = new Response(self::SAMPLE_JSON_RESPONSE, self::SAMPLE_JSON_HEADER_LOWERCASE, $req);
+
+        $this->assertEquals("value", $response->body->key);
+        $this->assertEquals("value", $response->body->object->key);
+        $this->assertIsArray( $response->body->array);
+        $this->assertEquals(1, $response->body->array[0]);
+    }
+
     function testXMLResponseParse()
     {
         $req = Request::init()->sendsAndExpects(Mime::XML);

From 29ce9851f667da0d3c420878bdac9daf247b5477 Mon Sep 17 00:00:00 2001
From: atymic <atymicq@gmail.com>
Date: Tue, 7 Jan 2020 20:53:51 +1100
Subject: [PATCH 2/3] fix: allow case insensitive header access

---
 src/Httpful/Response/Headers.php | 16 ++++++++++++----
 1 file changed, 12 insertions(+), 4 deletions(-)

diff --git a/src/Httpful/Response/Headers.php b/src/Httpful/Response/Headers.php
index b900294..8e8a8cd 100644
--- a/src/Httpful/Response/Headers.php
+++ b/src/Httpful/Response/Headers.php
@@ -46,7 +46,7 @@ public static function fromString($string)
      */
     public function offsetExists($offset)
     {
-        return isset($this->headers[$offset]);
+        return $this->getCaseInsensitive($offset) !== null;
     }
 
     /**
@@ -55,9 +55,7 @@ public function offsetExists($offset)
      */
     public function offsetGet($offset)
     {
-        if (isset($this->headers[$offset])) {
-            return $this->headers[$offset];
-        }
+        return $this->getCaseInsensitive($offset);
     }
 
     /**
@@ -95,4 +93,14 @@ public function toArray()
         return $this->headers;
     }
 
+    private function getCaseInsensitive(string $key)
+    {
+        foreach ($this->headers as $header => $value) {
+            if (strtolower($key) === strtolower($header)) {
+                return $value;
+            }
+        }
+
+        return null;
+    }
 }

From fd05a5c852a0e15d40c89ad54ce472af7d3e789e Mon Sep 17 00:00:00 2001
From: atymic <atymicq@gmail.com>
Date: Tue, 7 Jan 2020 20:59:05 +1100
Subject: [PATCH 3/3] docs: update changelog

---
 README.md | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/README.md b/README.md
index 290f7bd..1f2cede 100644
--- a/README.md
+++ b/README.md
@@ -67,6 +67,10 @@ Httpful highly encourages sending in pull requests.  When submitting a pull requ
 
 # Changelog
 
+## 0.3.1
+
+ - FIX [PR #286](https://github.com/nategood/httpful/pull/286) Fixed header case sensitivity
+
 ## 0.3.0
 
  - REFACTOR Dropped support for dead versions of PHP. Updated the PHPUnit tests.