From 0e0a29848ade6b432e8728c3c1059dda9e6f70b9 Mon Sep 17 00:00:00 2001
From: Maicon Strey <mstrey@gmail.com>
Date: Fri, 12 Apr 2024 14:54:49 -0300
Subject: [PATCH 1/2] #413 requestTokenExchange fixed to support PHP8.x

Changed parameter #2 of http_build_query to empty string
---
 src/OpenIDConnectClient.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/OpenIDConnectClient.php b/src/OpenIDConnectClient.php
index 6aa80b17..ecd69751 100644
--- a/src/OpenIDConnectClient.php
+++ b/src/OpenIDConnectClient.php
@@ -972,7 +972,7 @@ public function requestTokenExchange(string $subjectToken, string $subjectTokenT
         }
 
         // Convert token params to string format
-        $post_params = http_build_query($post_data, null, '&', $this->encType);
+        $post_params = http_build_query($post_data, '', '&', $this->encType);
 
         return json_decode($this->fetchURL($token_endpoint, $post_params, $headers), false);
     }

From 7a774c0752a430bff71955b29359e2b4f2862473 Mon Sep 17 00:00:00 2001
From: Maicon Strey <mstrey@gmail.com>
Date: Fri, 12 Apr 2024 15:00:21 -0300
Subject: [PATCH 2/2] #413 Update CHANGELOG.md

---
 CHANGELOG.md | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index d4be9ff7..f3667219 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,6 +4,11 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/)
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## [Unreleased]
+
+### Fixed
+- Changed parameter #2 of http_build_query to empty string on requestTokenExchange to support PHP8.x
+
 ## [1.0.0] - 2023-12-13
 
 ### Added