add missing type

samsonasik · May 20, 2018 · acd1d1f · acd1d1f
1 parent baa8608
commit acd1d1f
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/Middleware/ExpressiveFactory.php b/src/Middleware/ExpressiveFactory.php
@@ -27,7 +27,7 @@ private function createMiddlewareInstance(ContainerInterface $container, array $
         );
     }
 
-    private function verifyConfig($configuration, $containerType = 'Symfony')
+    private function verifyConfig($configuration, string $containerType = 'Symfony') : array
     {
         $configuration = (array) $configuration;
         if (! isset($configuration['db'])) {