Merge branch '4.1' into 4.2

* 4.1:
  fixed tests
  fixed CS
  fixed CS
  fixed CS
  fixed short array CS in comments
  fixed CS in ExpressionLanguage fixtures
  fixed CS in generated files
  fixed CS on generated container files
  fixed CS on Form PHP templates
  fixed CS on YAML fixtures
  fixed fixtures
  switched array() to []

Author: fabpot

Tests/Debug/OptionsResolverIntrospectorTest.php

@@ -64,7 +64,7 @@ public function testGetDefaultThrowsOnNotDefinedOption()
     public function testGetLazyClosures()
     {
         $resolver = new OptionsResolver();
-        $closures = array();
+        $closures = [];
         $resolver->setDefault($option = 'foo', $closures[] = function (Options $options) {});
 
         $debug = new OptionsResolverIntrospector($resolver);
@@ -100,7 +100,7 @@ public function testGetAllowedTypes()
     {
         $resolver = new OptionsResolver();
         $resolver->setDefined($option = 'foo');
-        $resolver->setAllowedTypes($option = 'foo', $allowedTypes = array('string', 'bool'));
+        $resolver->setAllowedTypes($option = 'foo', $allowedTypes = ['string', 'bool']);
 
         $debug = new OptionsResolverIntrospector($resolver);
         $this->assertSame($allowedTypes, $debug->getAllowedTypes($option));
@@ -135,7 +135,7 @@ public function testGetAllowedValues()
     {
         $resolver = new OptionsResolver();
         $resolver->setDefined($option = 'foo');
-        $resolver->setAllowedValues($option = 'foo', $allowedValues = array('bar', 'baz'));
+        $resolver->setAllowedValues($option = 'foo', $allowedValues = ['bar', 'baz']);
 
         $debug = new OptionsResolverIntrospector($resolver);
         $this->assertSame($allowedValues, $debug->getAllowedValues($option));