Update Colleague.php

Behavioral/Mediator/Colleague.php

@@ -14,13 +14,7 @@ abstract class Colleague
      * @var MediatorInterface
      */
     private $mediator;
-
-    // for subclasses
-    protected function getMediator()
-    {
-        return $this->mediator;
-    }
-
+    
     /**
      * @param MediatorInterface $medium
      */
@@ -29,4 +23,10 @@ abstract class Colleague
         // in this way, we are sure the concrete colleague knows the mediator
         $this->mediator = $medium;
     }
+
+    // for subclasses
+    protected function getMediator()
+    {
+        return $this->mediator;
+    }
 }