[Validator] Allow empty keys in the validation config

Author: Seldaek

src/Symfony/Component/Validator/Mapping/Loader/YamlFileLoader.php

@@ -58,24 +58,28 @@ public function loadClassMetadata(ClassMetadata $metadata)
  $metadata->setGroupSequenceProvider((bool)$yaml['group_sequence_provider']);
  }
 
- if (isset($yaml['constraints'])) {
+ if (isset($yaml['constraints']) && is_array($yaml['constraints'])) {
  foreach ($this->parseNodes($yaml['constraints']) as $constraint) {
  $metadata->addConstraint($constraint);
  }
  }
 
- if (isset($yaml['properties'])) {
+ if (isset($yaml['properties']) && is_array($yaml['constraints'])) {
  foreach ($yaml['properties'] as $property => $constraints) {
- foreach ($this->parseNodes($constraints) as $constraint) {
- $metadata->addPropertyConstraint($property, $constraint);
+ if (null !== $constraints) {
+ foreach ($this->parseNodes($constraints) as $constraint) {
+ $metadata->addPropertyConstraint($property, $constraint);
+ }
  }
  }
  }
 
  if (isset($yaml['getters'])) {
  foreach ($yaml['getters'] as $getter => $constraints) {
- foreach ($this->parseNodes($constraints) as $constraint) {
- $metadata->addGetterConstraint($getter, $constraint);
+ if (null !== $constraints) {
+ foreach ($this->parseNodes($constraints) as $constraint) {
+ $metadata->addGetterConstraint($getter, $constraint);
+ }
  }
  }
  }

src/Symfony/Component/Validator/Tests/Mapping/Loader/constraint-mapping.yml

@@ -35,6 +35,7 @@ Symfony\Component\Validator\Tests\Fixtures\Entity:
  - Min: 5
  # Constraint with options
  - Choice: { choices: [A, B], message: Must be one of %choices% }
+ dummy:
 
  getters:
  lastName: