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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\HttpClient\Internal;
- /**
- * @author Nicolas Grekas <p@tchwork.com>
- *
- * @internal
- */
- final class Canary
- {
- private $canceller;
- public function __construct(\Closure $canceller)
- {
- $this->canceller = $canceller;
- }
- public function cancel()
- {
- if (($canceller = $this->canceller) instanceof \Closure) {
- $this->canceller = null;
- $canceller();
- }
- }
- public function __destruct()
- {
- $this->cancel();
- }
- }
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