Added strict return types to string|null

bileto · May 10, 2017 · 84b8382 · 84b8382
1 parent e4e40d2
commit 84b8382
Showing 1 changed file with 3 additions and 2 deletions.
diff --git a/src/Message/PaymentResponse.php b/src/Message/PaymentResponse.php
@@ -13,9 +13,10 @@ public function getAuthCode()
 
     public function getTransactionReference()
     {
-        if (isset($this->data['payId'])) {
-            return $this->data['payId'];
+        if (isset($this->data['payId']) && !empty($this->data['payId'])) {
+            return (string) $this->data['payId'];
         }
+        return null;
     }