UnauthorizedHttpException.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\HttpKernel\Exception;


/**
 * UnauthorizedHttpException.
 *
 * @author Ben Ramsey <ben@benramsey.com>
 */
class UnauthorizedHttpException extends HttpException {

  /**
   * Constructor.
   *
   * @param string     $challenge WWW-Authenticate challenge string
   * @param string     $message   The internal exception message
   * @param \Exception $previous  The previous exception
   * @param integer    $code      The internal exception code
   */
  public function __construct($challenge, $message = null, \Exception $previous = null, $code = 0) {
    $headers = array(
      'WWW-Authenticate' => $challenge,
    );
    parent::__construct(401, $message, $previous, $headers, $code);
  }

}