From 9c54fea4eaa2584259af0e4d6f8a54696357661d Mon Sep 17 00:00:00 2001
From: Kevin Ward <92186090+kward937@users.noreply.github.com>
Date: Tue, 6 Feb 2024 14:12:46 -0500
Subject: [PATCH] Update Deprecated Function

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

diff --git a/src/Client/ApiClient.php b/src/Client/ApiClient.php
index 3b86b2cf..84a03d2d 100644
--- a/src/Client/ApiClient.php
+++ b/src/Client/ApiClient.php
@@ -487,7 +487,7 @@ public function generateAccessToken($client_id = null, $client_secret = null, $c
 
         $resourcePath = "/oauth/token";
         $queryParams = [];
-        $integrator_and_secret_key = "Basic " . utf8_decode(base64_encode("{$client_id}:{$client_secret}"));
+        $integrator_and_secret_key = "Basic " . mb_convert_encoding(base64_encode("{$client_id}:{$client_secret}"), 'ISO-8859-1', 'UTF-8');
         $headers = [
             "Authorization" => $integrator_and_secret_key,
             "Content-Type" => "application/x-www-form-urlencoded",
@@ -526,7 +526,7 @@ public function refreshAccessToken($client_id = null, $client_secret = null, $re
         }
         $resourcePath = "/oauth/token"; 
         $queryParams = []; 
-        $integrator_and_secret_key = "Basic " . utf8_decode(base64_encode("{$client_id}:{$client_secret}")); 
+        $integrator_and_secret_key = "Basic " . mb_convert_encoding(base64_encode("{$client_id}:{$client_secret}"), 'ISO-8859-1', 'UTF-8');
         $headers = [ 
             "Authorization" => $integrator_and_secret_key, 
             "Content-Type" => "application/x-www-form-urlencoded",