From 6730f06c2b70a61b547a977d88da32308cdb3466 Mon Sep 17 00:00:00 2001
From: Martijn Smit <smit@mollie.com>
Date: Fri, 27 Jul 2018 11:04:00 +0200
Subject: [PATCH] Only json_encode data when there is data. Fixes #51

---
 src/Message/Request/AbstractMollieRequest.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/Message/Request/AbstractMollieRequest.php b/src/Message/Request/AbstractMollieRequest.php
index d66d7ae..77f5579 100755
--- a/src/Message/Request/AbstractMollieRequest.php
+++ b/src/Message/Request/AbstractMollieRequest.php
@@ -72,7 +72,7 @@ protected function sendRequest($method, $endpoint, array $data = null)
             [
                 'Authorization' => 'Bearer ' . $this->getApiKey()
             ],
-            json_encode($data)
+            ($data === null) ? null : json_encode($data)
         );
 
         return json_decode($response->getBody(), true);