Fix CS

Author: willdurand

DependencyInjection/Configuration.php

@@ -35,8 +35,8 @@ public function getConfigTreeBuilder()
                 ->scalarNode('serializer')->cannotBeEmpty()->end()
                 ->arrayNode('routes_to_expose')
                     ->beforeNormalization()
-                        ->ifTrue(function($v) { return !is_array($v); })
-                        ->then(function($v) { return array($v); })
+                        ->ifTrue(function ($v) { return !is_array($v); })
+                        ->then(function ($v) { return array($v); })
                     ->end()
                     ->prototype('scalar')->end()
                 ->end()
@@ -49,8 +49,8 @@ public function getConfigTreeBuilder()
                         ->scalarNode('smaxage')->defaultNull()->end()
                         ->arrayNode('vary')
                             ->beforeNormalization()
-                                ->ifTrue(function($v) { return !is_array($v); })
-                                ->then(function($v) { return array($v); })
+                                ->ifTrue(function ($v) { return !is_array($v); })
+                                ->then(function ($v) { return array($v); })
                             ->end()
                             ->prototype('scalar')->end()
                         ->end()