InterNations\Component\HttpMock\Util::silentDeserialize PHP Method

    public static function silentDeserialize($string)
    {
        // @codingStandardsIgnoreStart
        return @unserialize($string);
        // @codingStandardsIgnoreEnd
    }

            return is_callable($closure);
        };
        if (!is_array($matcher) || count(array_filter($matcher, $validator)) !== count($matcher)) {
            return new Response('POST data key "matcher" must be a serialized list of closures', Response::HTTP_EXPECTATION_FAILED);
        }
    }
    if (!$request->request->has('response')) {
        return new Response('POST data key "response" not found in POST data', Response::HTTP_EXPECTATION_FAILED);
    }
    $response = Util::silentDeserialize($request->request->get('response'));
    if (!$response instanceof Response) {
        return new Response('POST data key "response" must be a serialized Symfony response', Response::HTTP_EXPECTATION_FAILED);
    }
    $limiter = null;
    if ($request->request->has('limiter')) {
        $limiter = Util::silentDeserialize($request->request->get('limiter'));
        if (!is_callable($limiter)) {
            return new Response('POST data key "limiter" must be a serialized closure', Response::HTTP_EXPECTATION_FAILED);
        }
    }
    // Fix issue with silex default error handling
    $response->headers->set('X-Status-Code', $response->getStatusCode());
    $app['storage']->prepend($request, 'expectations', ['matcher' => $matcher, 'response' => $response, 'limiter' => $limiter, 'runs' => 0]);
    return new Response('', Response::HTTP_CREATED);
});
$app->error(static function (Exception $e) use($app) {
    if ($e instanceof NotFoundHttpException) {
        /** @var Request $request */
        $request = $app['request_stack']->getCurrentRequest();
        $app['storage']->append($request, 'requests', serialize(['server' => $request->server->all(), 'request' => (string) $request, 'enclosure' => $request->request->all()]));
        $notFoundResponse = new Response('No matching expectation found', Response::HTTP_NOT_FOUND);