PHP獲得計算機的唯一標識[cpu,網卡]

//獲取電腦的CPU信息

function OnlyU(){
        $a = '';
        $b = array();
        if(function_exists('exec')){
                if(mailto:!@exec( /all",$b)){
                        return false;
                }
        }elseif(function_exists('system')){
                ob_start();
                if(mailto:!@system( /all")){
                        return false;
                }else{
                }
                $b = ob_get_contents();
                ob_end_clean();
                $b = explode("\n",$b);//print_r($b);
                array_pop($b);
        }else{
                return false;
        }

    $all = sizeof($b);
    for($i = 0; $i < $all; $i++){
            if(strpos($b[$i],"Description") !== false){
                    if(strpos($b[$i+1],"Physical Address") !== false){
                            $c = explode(":",$b[$i+1]);
                            $a = trim($c[1]);
                            break;
                    }
            }
    } // End for
    return empty($a)?false:$a;

} // End function OnlyU
//獲取網卡的MAC的地址
function getMAC() {
 @exec("ipconfig /all",$array);
 for($Tmpa;$Tmpa<count($array);$Tmpa++){
  if(eregi("Physical",$array[$Tmpa])){
   $mac=explode(":",$array[$Tmpa]);
   return $mac[1];
  }
 }
}</pre>