Merge pull request #58 from kblais/apply-same-min-requirement-rule

Apply the same requirement rule to symfony/event-dispatcher and other symfony components

Author: brexis

composer.json

@@ -7,7 +7,7 @@
         "php": ">=5.5.9",
         "symfony/workflow": "^3.3 || ^4.0",
         "symfony/process": "^3.3 || ^4.0",
-        "symfony/event-dispatcher": "^3.3 || 4.0.* || 4.1.* || 4.2.*",
+        "symfony/event-dispatcher": "^3.3 || ^4.0",
         "illuminate/console": "5.3.* || 5.4.* || 5.5.* || 5.6.* || 5.7.* || 5.8.*",
         "illuminate/support": "5.3.* || 5.4.* || 5.5.* || 5.6.* || 5.7.* || 5.8.*"
     },

src/Events/WorkflowSubscriber.php

@@ -63,15 +63,17 @@ public function enterEvent(Event $event)
 
     public function enteredEvent(Event $event)
     {
-        $places       = $event->getTransition()->getTos();
-        $workflowName = $event->getWorkflowName();
+        if (null !== ($transition = $event->getTransition())) {
+            $places       = $transition->getTos();
+            $workflowName = $event->getWorkflowName();
 
-        event(new EnteredEvent($event));
-        event('workflow.entered', $event);
-        event(sprintf('workflow.%s.entered', $workflowName), $event);
+            event(new EnteredEvent($event));
+            event('workflow.entered', $event);
+            event(sprintf('workflow.%s.entered', $workflowName), $event);
 
-        foreach ($places as $place) {
-            event(sprintf('workflow.%s.entered.%s', $workflowName, $place), $event);
+            foreach ($places as $place) {
+                event(sprintf('workflow.%s.entered.%s', $workflowName, $place), $event);
+            }
         }
     }