PHP获取用户真实 IP , 淘宝IP接口获得ip地理位置代码实例

<?php
/**
?*?获取用户真实?IP
?*/
function?getIP()
{
????static?$realip;
????if?(isset($_SERVER)){
????????if?(isset($_SERVER["HTTP_X_FORWARDED_FOR"])){
????????????$realip?=?$_SERVER["HTTP_X_FORWARDED_FOR"];
????????}?else?if?(isset($_SERVER["HTTP_CLIENT_IP"]))?{
????????????$realip?=?$_SERVER["HTTP_CLIENT_IP"];
????????}?else?{
????????????$realip?=?$_SERVER["REMOTE_ADDR"];
????????}
????}?else?{
????????if?(getenv("HTTP_X_FORWARDED_FOR")){
????????????$realip?=?getenv("HTTP_X_FORWARDED_FOR");
????????}?else?if?(getenv("HTTP_CLIENT_IP"))?{
????????????$realip?=?getenv("HTTP_CLIENT_IP");
????????}?else?{
????????????$realip?=?getenv("REMOTE_ADDR");
????????}
????}
??
??
????return?$realip;
}
??
??
/**
?*?获取?IP??地理位置
?*?淘宝IP接口
?*?@Return:?array
?*/
function?getCity($ip)
{
$url="http://ip.taobao.com/service/getIpInfo.php?ip=".$ip;
$ip=json_decode(file_get_contents($url));?
if((string)$ip->code=='1'){
??return?false;
??}
??$data?=?(array)$ip->data;
return?$data;?
}

获取结果