App\Http\Middleware\TurbolinksSupport::handle PHP Method

    public function handle($request, Closure $next)
    {
        $isTurbolinks = presence($request->header('Turbolinks-Referrer'));
        $response = $next($request);
        // symphony responder (debug error page) doesn't have header method
        $isNormalResponse = method_exists($response, 'header');
        if ($isTurbolinks && $isNormalResponse) {
            return $response->header('Turbolinks-Location', $request->fullUrl());
        }
        return $response;
    }