ServiceUnavailableHttpException.php
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<?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;
/**
* @author Ben Ramsey <ben@benramsey.com>
*/
class ServiceUnavailableHttpException extends HttpException
{
/**
* @param int|string|null $retryAfter The number of seconds or HTTP-date after which the request may be retried
* @param string|null $message The internal exception message
* @param \Throwable|null $previous The previous exception
* @param int|null $code The internal exception code
*/
public function __construct($retryAfter = null, ?string $message = '', \Throwable $previous = null, ?int $code = 0, array $headers = [])
{
if (null === $message) {
trigger_deprecation('symfony/http-kernel', '5.3', 'Passing null as $message to "%s()" is deprecated, pass an empty string instead.', __METHOD__);
$message = '';
}
if (null === $code) {
trigger_deprecation('symfony/http-kernel', '5.3', 'Passing null as $code to "%s()" is deprecated, pass 0 instead.', __METHOD__);
$code = 0;
}
if ($retryAfter) {
$headers['Retry-After'] = $retryAfter;
}
parent::__construct(503, $message, $previous, $headers, $code);
}
}