extract method

src/Illuminate/Database/Eloquent/Concerns/HasEvents.php

@@ -136,18 +136,14 @@ protected function fireModelEvent($event, $halt = true)
         // returns a result we can return that result, or we'll call the string events.
         $method = $halt ? 'until' : 'fire';
 
-        $result = $this->fireCustomModelEvent($event, $method);
+        $result = $this->filterModelEventResults(
+            $this->fireCustomModelEvent($event, $method)
+        );
 
         if ($result === false) {
             return false;
         }
 
-        if (is_array($result)) {
-            $result = array_filter($result, function ($response) {
-                return ! is_null($response);
-            });
-        }
-
         return ! empty($result) ? $result : static::$dispatcher->{$method}(
             "eloquent.{$event}: ".static::class, $this
         );
@@ -173,6 +169,23 @@ protected function fireCustomModelEvent($event, $method)
         }
     }
 
+    /**
+     * Filter the model event results.
+     *
+     * @param  mixed  $result
+     * @return mixed
+     */
+    protected function filterModelEventResults($result)
+    {
+        if (is_array($result)) {
+            $result = array_filter($result, function ($response) {
+                return ! is_null($response);
+            });
+        }
+
+        return $result;
+    }
+
     /**
      * Register a saving model event with the dispatcher.
      *