PHP取Mac地址跟绝对IP

PHP取Mac地址和绝对IP
/*
* Created on Jun 18, 2010
*
* To change the template for this generated file go to
* Window - Preferences - PHPeclipse - PHP - Code Templates
*/
unset($onlineip);

if(getenv('HTTP_CLIENT_IP')) {
$onlineip = getenv('HTTP_CLIENT_IP');
} elseif(getenv('HTTP_X_FORWARDED_FOR')) {
$onlineip = getenv('HTTP_X_FORWARDED_FOR');
} elseif(getenv('REMOTE_ADDR')) {
$onlineip = getenv('REMOTE_ADDR');
} else {
$onlineip = $HTTP_SERVER_VARS['REMOTE_ADDR'];
}
//echo $onlineip;

@exec("ipconfig /all",$array);
for($Tmpa;$Tmpaif(eregi("Physical",$array[$Tmpa])){
$mac=explode(":",$array[$Tmpa]);
}
}
echo $mac[1];

?>

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