PHP code to obtain the computer's unique identification information (cpu, network card, MAC address)

The php code obtains the unique identification information of the computer, including cpu information, network card information and MAC address information. Friends in need can refer to it.

Code to obtain CPU, network card, and MAC address information.

<?php
//获取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

//获取网卡的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];
  }
 }
}
?>

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