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Edit File: TooManyRequestsHttpException.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;

/**
 * TooManyRequestsHttpException.
 *
 * @author Ben Ramsey <ben@benramsey.com>
 *
 * @see http://tools.ietf.org/html/rfc6585
 */
class TooManyRequestsHttpException extends HttpException
{
    /**
     * Constructor.
     *
     * @param int|string $retryAfter The number of seconds or HTTP-date after which the request may be retried
     * @param string     $message    The internal exception message
     * @param \Exception $previous   The previous exception
     * @param int        $code       The internal exception code
     */
    public function __construct($retryAfter = null, $message = null, \Exception $previous = null, $code = 0)
    {
        $headers = array();
        if ($retryAfter) {
            $headers = array('Retry-After' => $retryAfter);
        }

parent::__construct(429, $message, $previous, $headers, $code);
    }
}