<?php 
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 $realip;
}
function getCity($ip = '')
{   
global $a_country,$a_area,$a_region,$a_city,$a_isp;  
$taobao = 'http://ip.taobao.com/service/getIpInfo.php?ip=';
$url = $taobao.$ip;
$json = file_get_contents($url);
$json = json_decode($json, true);
$a_country
 
=$json['data']['country'];
$a_area=$json['data']['area'];
$a_region=$json['data']['region'];
$a_city=$json['data']['city'];
$a_isp=$json['data']['isp'];  
}
$kip=getIP();
getCity($kip);
$doli=$a_country.$a_area.$a_region.$a_city."&nbsp;".$a_isp;
echo "你的ip是：" . $kip . "<br>";
echo "你的其他資訊是：" . $doli . "<br>";
/**
 * 獲取 IP  地理位置
 * 淘寶IP介面
 * @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;   
}

echo "<br>";


$ak=remote_ip_info.city;

$kip=getIP();

echo "<br>";
var_dump(getCity($kip));

echo "<br>";
echo "你的ip是：" . $kip . "<br>";
echo "你的其他：" . $ak . "<br>";
 */
?>