<?php

header('Content-Type:text/html;charset=utf-8');

function getIPLoc_sina($queryIP){

$url = 'http://int.dpool.sina.com.cn/iplookup/iplookup.php?format=json&ip='.$queryIP;

$ch = curl_init($url);

curl_setopt($ch,CURLOPT_ENCODING ,'utf8');

curl_setopt($ch, CURLOPT_TIMEOUT, );

curl_setopt($ch, CURLOPT_RETURNTRANSFER, true) ; // 获取数据返回

$location = curl_exec($ch);

$location = json_decode($location);

curl_close($ch);

$loc = "";

if($location===FALSE) return "";

if (empty($location->desc)) {

    $loc = $location->city.$location->district.$location->isp;

}else{         $loc = $location->desc;

}

return $loc;

}

echo getIPLoc_sina("211.161.160.126");

?>