public EntityReferenceFieldItemList::getConstraints()
Gets a list of validation constraints.
Return value
array Array of constraints, each being an instance of \Symfony\Component\Validator\Constraint.
Overrides FieldItemList::getConstraints
File
- core/lib/Drupal/Core/Field/EntityReferenceFieldItemList.php, line 16
Class
- EntityReferenceFieldItemList
- Defines a item list class for entity reference fields.
Namespace
Drupal\Core\Field
Code
1 2 3 4 5 6 | public function getConstraints() { $constraints = parent::getConstraints(); $constraint_manager = $this ->getTypedDataManager()->getValidationConstraintManager(); $constraints [] = $constraint_manager ->create( 'ValidReference' , []); return $constraints ; } |
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