<?php
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;

       }

}
/*
$mac = new GetMacAddr(PHP_OS);

echo $mac->mac_addr;
*/
?>