Merge branch '3.3' into 3.4

* 3.3:
  PHP CS Fixer: clean up repo and adjust config
  use interface_exists instead of class_exists
  Dumper shouldn't use html format for phpdbg
  [Validator] Fix access to root object when using composite constraint

Author: nicolas-grekas

Tests/Validator/AbstractTest.php

@@ -13,6 +13,7 @@
 
 use Symfony\Component\Validator\Constraints\Callback;
 use Symfony\Component\Validator\Constraints\Collection;
+use Symfony\Component\Validator\Constraints\Expression;
 use Symfony\Component\Validator\Constraints\GroupSequence;
 use Symfony\Component\Validator\Constraints\NotBlank;
 use Symfony\Component\Validator\Constraints\NotNull;
@@ -581,6 +582,7 @@ public function testAccessCurrentObject()
         $called = false;
         $entity = new Entity();
         $entity->firstName = 'Bernhard';
+        $entity->data = array('firstName' => 'Bernhard');
 
         $callback = function ($value, ExecutionContextInterface $context) use ($entity, &$called) {
             $called = true;
@@ -589,6 +591,7 @@ public function testAccessCurrentObject()
 
         $this->metadata->addConstraint(new Callback($callback));
         $this->metadata->addPropertyConstraint('firstName', new Callback($callback));
+        $this->metadata->addPropertyConstraint('data', new Collection(array('firstName' => new Expression('value == this.firstName'))));
 
         $this->validator->validate($entity);
 

Validator/RecursiveContextualValidator.php

@@ -108,7 +108,7 @@ public function validate($value, $constraints = null, $groups = null)
 
             $this->validateGenericNode(
                 $value,
-                null,
+                $previousObject,
                 is_object($value) ? spl_object_hash($value) : null,
                 $metadata,
                 $this->defaultPropertyPath,