code: public static function getLoad()
  		{
  			$wmi  = Windows::getInstance();
  			$load = [];
  
  			foreach ($wmi->ExecQuery("SELECT LoadPercentage FROM Win32_Processor") as $cpu) {
  				$load[] = $cpu->LoadPercentage;
  			}
  
  			return round(array_sum($load) / count($load), 2) . "%";
  		}
docs: Gets current system load
  
  @return string