BitbarPlugins\Travel\TravelTimePlugin::computeDelay PHP Метод

    private function computeDelay()
    {
        if (is_array($this->duration) && is_array($this->durationInTraffic) && array_key_exists('value', $this->duration) && array_key_exists('value', $this->durationInTraffic)) {
            $delay = $this->durationInTraffic['value'] - $this->duration['value'];
            $this->delay = $delay > 0 ? $delay : null;
        } else {
            $this->delay = null;
        }
    }