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<?php
declare(strict_types=1);
/*
* This file is part of the TYPO3 CMS project.
*
* It is free software; you can redistribute it and/or modify it under
* the terms of the GNU General Public License, either version 2
* of the License, or any later version.
*
* For the full copyright and license information, please read the
* LICENSE.txt file that was distributed with this source code.
*
* The TYPO3 project - inspiring people to share!
*/
namespace TYPO3\CMS\Core\Http;
/**
* Exception that has to be propagated back to the middleware stack
* in order to stop current execution and respond with the given
* response. This exception is used as alternative to previous
* die() or exit() calls.
*
* Note this exception should be used in cases where a controller wants
* to create an 'early' response. An example are failed access checks:
* A controller wants to throw an early 'denied' response without further
* local processing.
*
* When this exception is thrown by a controller, it will be caught by the
* 'very inner' ResponsePropagation middleware. The response is then returned
* to other 'outer' middlewares, allowing them to further operate on the
* response (eg. adding a content-length header) and to do other jobs
* (eg. releasing created locks).
*
* If this exception is thrown within a middleware (as opposed to be thrown
* from within controllers), it will bypass other middlewares and will be
* caught just like the parent ImmediateResponseException. This should be
* used with care, there should be little reason to do so at all.
*
* In general, from within controllers, this response exception
* should be preferred over ImmediateResponseException.
*
* @internal
*/
class PropagateResponseException extends ImmediateResponseException {}