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    <h3>Editing: RequestEvent.php</h3>
    <textarea name="content" rows="20" cols="80">&lt;?php

/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier &lt;fabien@symfony.com&gt;
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Symfony\Component\HttpKernel\Event;

use Symfony\Component\HttpFoundation\Response;

/**
 * Allows to create a response for a request.
 *
 * Call setResponse() to set the response that will be returned for the
 * current request. The propagation of this event is stopped as soon as a
 * response is set.
 *
 * @author Bernhard Schussek &lt;bschussek@gmail.com&gt;
 */
class RequestEvent extends KernelEvent
{
    private $response;

    /**
     * Returns the response object.
     *
     * @return Response|null
     */
    public function getResponse()
    {
        return $this-&gt;response;
    }

    /**
     * Sets a response and stops event propagation.
     */
    public function setResponse(Response $response)
    {
        $this-&gt;response = $response;

        $this-&gt;stopPropagation();
    }

    /**
     * Returns whether a response was set.
     *
     * @return bool
     */
    public function hasResponse()
    {
        return null !== $this-&gt;response;
    }
}
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