Reversed PHP5.6 syntax fix - there are too many to make it worthwhile.

This is PHP 7.0+ only now.

Author: judgej

.travis.yml

@@ -1,10 +1,10 @@
 language: php
 
 php:
-  - 5.6
   - 7.0
   - 7.1
   - 7.2
+  - 7.3
 
 # This triggers builds to run on the new TravisCI infrastructure.
 # See: http://docs.travis-ci.com/user/workers/container-based-infrastructure/

src/Message/AcceptNotification.php

@@ -102,9 +102,7 @@ public function getTransactionReference()
     {
         $this->assertSignature();
 
-        $parsedData = $this->getParsedData();
-
-        if ($this->getEventTarget() === $parsedData::EVENT_TARGET_PAYMENT) {
+        if ($this->getEventTarget() === $this->getParsedData()::EVENT_TARGET_PAYMENT) {
             return $this->getPayload()->getTransId();
         }
     }