AllValidator.php

<?php

/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier <fabien@symfony.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */
namespace Symfony\Component\Validator\Constraints;

use Symfony\Component\Validator\Constraint;
use Symfony\Component\Validator\ConstraintValidator;
use Symfony\Component\Validator\Exception\UnexpectedTypeException;

/**
 * @author Bernhard Schussek <bschussek@gmail.com>
 *
 * @api
 */
class AllValidator extends ConstraintValidator {

  /**
   * {@inheritDoc}
   */
  public function validate($value, Constraint $constraint) {
    if (null === $value) {
      return;
    }
    if (!is_array($value) && !$value instanceof \Traversable) {
      throw new UnexpectedTypeException($value, 'array or Traversable');
    }
    $group = $this->context
      ->getGroup();
    foreach ($value as $key => $element) {
      foreach ($constraint->constraints as $constr) {
        $this->context
          ->validateValue($element, $constr, '[' . $key . ']', $group);
      }
    }
  }

}