code: public static function getCpuArchitecture()
  		{
  			$wmi = Windows::getInstance();
  
  			foreach ($wmi->ExecQuery("SELECT Architecture FROM Win32_Processor") as $cpu) {
  				switch ($cpu->Architecture) {
  					case 0:
  						return "x86";
  					case 1:
  						return "MIPS";
  					case 2:
  						return "Alpha";
  					case 3:
  						return "PowerPC";
  					case 6:
  						return "Itanium-based systems";
  					case 9:
  						return "x64";
  				}
  			}
  
  			return "Unknown";
  		}
docs: Gets Processor's Architecture
  
  @return string