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    <h3>Editing: ServicesResetter.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\DependencyInjection;

use Symfony\Contracts\Service\ResetInterface;

/**
 * Resets provided services.
 *
 * @author Alexander M. Turek &lt;me@derrabus.de&gt;
 * @author Nicolas Grekas &lt;p@tchwork.com&gt;
 *
 * @internal
 */
class ServicesResetter implements ResetInterface
{
    private $resettableServices;
    private $resetMethods;

    /**
     * @param \Traversable&lt;string, object&gt;   $resettableServices
     * @param array&lt;string, string|string[]&gt; $resetMethods
     */
    public function __construct(\Traversable $resettableServices, array $resetMethods)
    {
        $this-&gt;resettableServices = $resettableServices;
        $this-&gt;resetMethods = $resetMethods;
    }

    public function reset()
    {
        foreach ($this-&gt;resettableServices as $id =&gt; $service) {
            foreach ((array) $this-&gt;resetMethods[$id] as $resetMethod) {
                if ('?' === $resetMethod[0] &amp;&amp; !method_exists($service, $resetMethod = substr($resetMethod, 1))) {
                    continue;
                }

                $service-&gt;$resetMethod();
            }
        }
    }
}
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