code cleanup (#602)

src/Controller/EventController.php

@@ -1,7 +1,7 @@
 <?php
 
 /*
- * This file is part of the AdminLTE bundle.
+ * This file is part of the Kimai time-tracking app.
  *
  * For the full copyright and license information, please view the LICENSE
  * file that was distributed with this source code.

src/Event/ThemeEvent.php

@@ -73,6 +73,7 @@ class ThemeEvent extends Event
     public function addContent(string $content)
     {
         $this->content .= $content;
+
         return $this;
     }
 }

src/EventSubscriber/ThemeOptionsSubscriber.php

@@ -66,7 +66,6 @@ class ThemeOptionsSubscriber implements EventSubscriberInterface
 
         $skin = '';
         foreach ($user->getPreferences() as $ref) {
-
             $name = $ref->getName();
             switch ($name) {
                 case UserPreference::SKIN:

src/Kernel.php

@@ -88,7 +88,7 @@ class Kernel extends BaseKernel
                 continue;
             }
 
-            yield new $pluginClass;
+            yield new $pluginClass();
         }
     }
 
@@ -135,7 +135,7 @@ class Kernel extends BaseKernel
 
         // load plugin routes
         $pluginsDir = $this->getProjectDir() . '/var/plugins';
-        $routes->import($pluginsDir . '/*Bundle/Resources/config/routes'. self::CONFIG_EXTS, '/', 'glob');
+        $routes->import($pluginsDir . '/*Bundle/Resources/config/routes' . self::CONFIG_EXTS, '/', 'glob');
     }
 
     protected function configureFosUserRoutes(RouteCollectionBuilder $routes)

src/Migrations/Version20190219200020.php

@@ -29,9 +29,9 @@ final class Version20190219200020 extends AbstractMigration
 
         $userPrefs = $this->getTableName('user_preferences');
 
-        $this->addSql('DELETE FROM ' . $userPrefs. ' WHERE name = "theme.fixed_layout"');
-        $this->addSql('DELETE FROM ' . $userPrefs. ' WHERE name = "theme.boxed_layout"');
-        $this->addSql('DELETE FROM ' . $userPrefs. ' WHERE name = "theme.mini_sidebar"');
+        $this->addSql('DELETE FROM ' . $userPrefs . ' WHERE name = "theme.fixed_layout"');
+        $this->addSql('DELETE FROM ' . $userPrefs . ' WHERE name = "theme.boxed_layout"');
+        $this->addSql('DELETE FROM ' . $userPrefs . ' WHERE name = "theme.mini_sidebar"');
     }
 
     public function down(Schema $schema): void