function EntityReferenceItem::getConstraints

Overrides TypedData::getConstraints

File

core/lib/Drupal/Core/Field/Plugin/Field/FieldType/EntityReferenceItem.php, line 213

Class

EntityReferenceItem

Defines the 'entity_reference' entity field type.

Namespace

Code

public function getConstraints() {
  $constraints = parent::getConstraints();
  // Remove the 'AllowedValuesConstraint' validation constraint because entity
  // reference fields already use the 'ValidReference' constraint.
  foreach ($constraints as $key => $constraint) {
    if ($constraint instanceof AllowedValuesConstraint) {
      unset($constraints[$key]);
    }
  }
  return $constraints;
}