os/Windows.php
public static function getCpuFreq()
		{
			$wmi = Windows::getInstance();

			$object = $wmi->ExecQuery("SELECT CurrentClockSpeed FROM Win32_Processor");

			foreach ($object as $cpu) {
				return $cpu->CurrentClockSpeed;
			}

			return 'Unknown';
		}
public static function getCpuFreq()
		{
			$wmi = Windows::getInstance();

			$object = $wmi->ExecQuery("SELECT CurrentClockSpeed FROM Win32_Processor");

			foreach ($object as $cpu) {
				return $cpu->CurrentClockSpeed;
			}

			return 'Unknown';
		}
Gets Processor's Frequency

@return string