CurrantPi\LoadAverageData::prepareData PHP Method

    private function prepareData()
    {
        /*
         * The command uptime returns a bunch of information about how long
         * the system has been running and the load on the processor. Read
         * more about this information here
         *   - http://www.computerhope.com/unix/uptime.htm
         */
        $output = shell_exec('uptime');
        $loadavg = explode(' ', substr($output, strpos($output, 'load average:') + 14));
        // data object
        $data = new \stdClass();
        $data->one_min = StringHelpers::prettyLoadAverage($loadavg[0]);
        $data->five_mins = StringHelpers::prettyLoadAverage($loadavg[1]);
        $data->fifteen_mins = StringHelpers::prettyLoadAverage($loadavg[2]);
        return $data;
    }