PHP代码:得到客户端的IP_php资料_编程技术-你的首页-uuhomepage.com
function get_client_ip()
{
if(getenv('HTTP_CLIENT_IP'))
{
 $client_ip = getenv('HTTP_CLIENT_IP');
} 
elseif(getenv('HTTP_X_FORWARDED_FOR')) 
{
 $client_ip = getenv('HTTP_X_FORWARDED_FOR');
} 
elseif(getenv('REMOTE_ADDR')) 
{
 $client_ip = getenv('REMOTE_ADDR');
} 
else 
{
 $client_ip = $HTTP_SERVER_VAR['REMOTE_ADDR'];
}
 return $client_ip;
}