From b7e2bdf33e9ad929baceea986d0896188e9f6000 Mon Sep 17 00:00:00 2001
From: Witold Wasiczko <witold@wasiczko.pl>
Date: Wed, 11 May 2022 12:15:00 +0200
Subject: [PATCH] Fix PHP 8.1 deprecation error

---
 src/OAuth2/TokenType/Bearer.php      |  2 +-
 test/OAuth2/TokenType/BearerTest.php | 11 +++++++++++
 2 files changed, 12 insertions(+), 1 deletion(-)

diff --git a/src/OAuth2/TokenType/Bearer.php b/src/OAuth2/TokenType/Bearer.php
index 8ac8596ac..aa1094b1e 100644
--- a/src/OAuth2/TokenType/Bearer.php
+++ b/src/OAuth2/TokenType/Bearer.php
@@ -109,7 +109,7 @@ public function getAccessTokenParameter(RequestInterface $request, ResponseInter
             }
 
             $contentType = $request->server('CONTENT_TYPE');
-            if (false !== $pos = strpos($contentType, ';')) {
+            if (false !== $pos = strpos((string) $contentType, ';')) {
                 $contentType = substr($contentType, 0, $pos);
             }
 
diff --git a/test/OAuth2/TokenType/BearerTest.php b/test/OAuth2/TokenType/BearerTest.php
index 71cca3bd9..021fc7f5a 100644
--- a/test/OAuth2/TokenType/BearerTest.php
+++ b/test/OAuth2/TokenType/BearerTest.php
@@ -35,6 +35,17 @@ public function testInvalidContentType()
         $this->assertEquals($response->getParameter('error_description'), 'The content type for POST requests must be "application/x-www-form-urlencoded"');
     }
 
+    public function testMissingContentTypeExpectsToBeCorrectContent()
+    {
+        $bearer = new Bearer();
+        $request = TestRequest::createPost(array(
+            'access_token' => 'ThisIsMyAccessToken'
+        ));
+
+        $param = $bearer->getAccessTokenParameter($request, $response = new Response());
+        $this->assertEquals($param, 'ThisIsMyAccessToken');
+    }
+
     public function testValidRequestUsingAuthorizationHeader()
     {
         $bearer = new Bearer();