本代码演示了如果通过用户正在访问的页面获取用户的ip地址,第一段代码直接获得用户的ip地址,第二段代码可以穿过代理服务器获得用户的真实ip地址
?php
/* Source: http://www.apphp.com/index.php?snippet=php-get-remote-ip-address */
function getRemoteIPAddress(){
$ip = isset($_SERVER['REMOTE_ADDR']) ? $_SERVER['REMOTE_ADDR'] : '';
return $ip;
}
/* If your visitor comes from proxy server you have use another function
to get a real IP address: */
function getRealIPAddress(){
if(!empty($_SERVER['HTTP_CLIENT_IP'])){
//check ip from share internet
$ip = $_SERVER['HTTP_CLIENT_IP'];
}else if(!empty($_SERVER['HTTP_X_FORWARDED_FOR'])){
//to check ip is pass from proxy
$ip = $_SERVER['HTTP_X_FORWARDED_FOR'];
}else{
$ip = $_SERVER['REMOTE_ADDR'];
}
return $ip;
}
?>
