From 4134ca0a2d4ee89acf485cf7cc4e8046100032de Mon Sep 17 00:00:00 2001
From: Marius Matei <nongeekboy@gmail.com>
Date: Thu, 10 Nov 2022 18:15:48 +0200
Subject: [PATCH] Fix json_encode deprecation warning

Since `developerPayload` is not mandatory `json_encode()` will throw a deprecation warning in PHP8  when `developerPayload` is null.
---
 src/GooglePlay/PurchaseResponse.php | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/GooglePlay/PurchaseResponse.php b/src/GooglePlay/PurchaseResponse.php
index ab6b113..9876698 100644
--- a/src/GooglePlay/PurchaseResponse.php
+++ b/src/GooglePlay/PurchaseResponse.php
@@ -19,7 +19,9 @@ class PurchaseResponse extends AbstractResponse
     public function __construct($response)
     {
         parent::__construct($response);
-        $this->developerPayload = json_decode($this->response->developerPayload, true);
+        if (isset($this->response->developerPayload)) {
+            $this->developerPayload = json_decode($this->response->developerPayload, true);
+        }
     }
 
     /**