simplified code

src/Silex/Application/FormTrait.php

@@ -11,7 +11,10 @@
 
 namespace Silex\Application;
 
+use Symfony\Component\Form;
+use Symfony\Component\Form\Extension\Core\Type\FormType;
 use Symfony\Component\Form\FormBuilder;
+use Symfony\Component\OptionsResolver\OptionsResolver\FormTypeInterface;
 
 /**
  * Form trait.
@@ -32,11 +35,7 @@ trait FormTrait
      */
     public function form($data = null, array $options = array(), $type = null)
     {
-        if (null === $type) {
-            $type = 'Symfony\Component\Form\Extension\Core\Type\FormType';
-        }
-
-        return $this['form.factory']->createBuilder($type, $data, $options);
+        return $this['form.factory']->createBuilder($type ?: FormType::class, $data, $options);
     }
 
     /**
@@ -47,16 +46,10 @@ trait FormTrait
      * @param array                    $options Options for the form
      * @param string|FormTypeInterface $type    Type of the form
      *
-     * @return \Symfony\Component\Form\FormBuilder
+     * @return FormBuilder
      */
     public function namedForm($name, $data = null, array $options = array(), $type = null)
     {
-        if (null === $type) {
-            // BC with Symfony < 2.8
-            $type = class_exists('Symfony\Component\Form\Extension\Core\Type\RangeType') ? 'Symfony\Component\Form\Extension\Core\Type\FormType' : 'form';
+        return $this['form.factory']->createNamedBuilder($name, $type ?: FormType::class, $data, $options);
     }
-
-        return $this['form.factory']->createNamedBuilder($name, $type, $data, $options);
-    }
-
 }