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] #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);
     }