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    <h3>Editing: RequestContextProvider.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\VarDumper\Dumper\ContextProvider;

use Symfony\Component\HttpFoundation\RequestStack;
use Symfony\Component\VarDumper\Caster\ReflectionCaster;
use Symfony\Component\VarDumper\Cloner\VarCloner;

/**
 * Tries to provide context from a request.
 *
 * @author Maxime Steinhausser &lt;maxime.steinhausser@gmail.com&gt;
 */
final class RequestContextProvider implements ContextProviderInterface
{
    private $requestStack;
    private $cloner;

    public function __construct(RequestStack $requestStack)
    {
        $this-&gt;requestStack = $requestStack;
        $this-&gt;cloner = new VarCloner();
        $this-&gt;cloner-&gt;setMaxItems(0);
        $this-&gt;cloner-&gt;addCasters(ReflectionCaster::UNSET_CLOSURE_FILE_INFO);
    }

    public function getContext(): ?array
    {
        if (null === $request = $this-&gt;requestStack-&gt;getCurrentRequest()) {
            return null;
        }

        $controller = $request-&gt;attributes-&gt;get('_controller');

        return [
            'uri' =&gt; $request-&gt;getUri(),
            'method' =&gt; $request-&gt;getMethod(),
            'controller' =&gt; $controller ? $this-&gt;cloner-&gt;cloneVar($controller) : $controller,
            'identifier' =&gt; spl_object_hash($request),
        ];
    }
}
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