From d4a50d6de1f9858f0215fa9bc7c81aec3a5ac98b Mon Sep 17 00:00:00 2001
From: r-garrido <roy@debrand.rocks>
Date: Thu, 22 Jun 2023 13:23:04 +0200
Subject: [PATCH] ensure return is an array

---
 src/RDWOpenData/RDW.php | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/src/RDWOpenData/RDW.php b/src/RDWOpenData/RDW.php
index 9c6e0e1..7e636f3 100644
--- a/src/RDWOpenData/RDW.php
+++ b/src/RDWOpenData/RDW.php
@@ -55,9 +55,10 @@ protected static function mergeOutput(array $data, array $output, string $endpoi
 					$data['as_' . $output_as['as_nummer'] . '_' . $item] = $value;
 				}
 			}
-		} else {
-			$data = array_merge($data, $output[0]) ?? [];
+		} else if(isset($output[0]) && is_array($output[0])) {
+			$data = array_merge($data, $output[0]);
 		}
+
 		return $data;
 	}