<?php

    /**

    获取网卡的MAC地址原码；目前支持WIN/LINUX系统

    获取机器网卡的物理（MAC）地址

    **/ 

    class GetMacAddr{ 

            var $return_array = array(); // 返回带有MAC地址的字串数组

            var $mac_addr; 

            function GetMacAddr($os_type){

                 switch ( strtolower($os_type) ){

                          case "linux":

                                    $this->forLinux();

                                    break;

                          case "solaris":

                                    break;

                          case "unix":

                                     break;

                           case "aix":

                                     break;

                           default:

                                     $this->forWindows();

                                     break; 

                  } 

                  $temp_array = array();

                  foreach ( $this->return_array as $value ){ 

                            if (

    preg_match("/[0-9a-f][0-9a-f][:-]"."[0-9a-f][0-9a-f][:-]"."[0-9a-f][0-9a-f][:-]"."[0-9a-f][0-9a-f][:-]"."[0-9a-f][0-9a-f][:-]"."[0-9a-f][0-9a-f]/i",$value,

    $temp_array ) ){

                                     $this->mac_addr = $temp_array[0];

                                     break;

                           } 

                  }

                  unset($temp_array);

                  return $this->mac_addr;

             } 

             function forWindows(){

                  @exec("ipconfig /all", $this->return_array);

                  if ( $this->return_array )

                           return $this->return_array;

                  else{

                           $ipconfig = $_SERVER["WINDIR"]."\system32\ipconfig.exe";

                           if ( is_file($ipconfig) )

                              @exec($ipconfig." /all", $this->return_array);

                           else

                              @exec($_SERVER["WINDIR"]."\system\ipconfig.exe /all", $this->return_array);

                           return $this->return_array;

                  }

             } 

             function forLinux(){

                  @exec("ifconfig -a", $this->return_array);

                  return $this->return_array;

             } 

    }

//方法使用

$mac = new GetMacAddr(PHP_OS);

echo $mac->mac_addr;

?>