AtLeastOneOfConstraint.php

<?php

namespace Drupal\Core\Validation\Plugin\Validation\Constraint;

use Drupal\Core\Plugin\ContainerFactoryPluginInterface;
use Drupal\Core\StringTranslation\TranslatableMarkup;
use Drupal\Core\Validation\Attribute\Constraint;
use Symfony\Component\DependencyInjection\ContainerInterface;
use Symfony\Component\Validator\Constraint as SymfonyConstraint;
use Symfony\Component\Validator\Constraints\AtLeastOneOf;

/**
 * Checks that at least one of the given constraint is satisfied.
 *
 * Overrides the symfony constraint to convert the array of constraints to array
 * of constraint objects and use them.
 */
class AtLeastOneOfConstraint extends AtLeastOneOf implements ContainerFactoryPluginInterface {
    
    /**
     * {@inheritdoc}
     */
    public static function create(ContainerInterface $container, array $configuration, $plugin_id, $plugin_definition) {
        $constraint_manager = $container->get('validation.constraint');
        $constraints = $configuration['constraints'];
        $constraint_instances = [];
        foreach ($constraints as $constraint_id => $constraint) {
            foreach ($constraint as $constraint_name => $constraint_options) {
                $constraint_instances[$constraint_id] = $constraint_manager->create($constraint_name, $constraint_options);
            }
        }
        return new static($constraint_instances, [
            SymfonyConstraint::DEFAULT_GROUP,
        ]);
    }

}