function
getip(){
else
if
(
getenv
(
"HTTP_X_FORWARDED_FOR"
) &&
strcasecmp
(
getenv
(
"HTTP_X_FORWARDED_FOR"
),
"unknown"
))
$ip
=
getenv
(
"HTTP_X_FORWARDED_FOR"
);
else
if
(
getenv
(
"REMOTE_ADDR"
) &&
strcasecmp
(
getenv
(
"REMOTE_ADDR"
),
"unknown"
))
$ip
=
getenv
(
"REMOTE_ADDR"
);
else
if
(isset(
$_SERVER
[
'REMOTE_ADDR'
]) &&
$_SERVER
[
'REMOTE_ADDR'
] &&
strcasecmp
(
$_SERVER
[
'REMOTE_ADDR'
],
"unknown"
))
$ip
=
$_SERVER
[
'REMOTE_ADDR'
];
else
$ip
=
"unknown"
;
return
(
$ip
);
}
function
getIPLoc_sina(
$queryIP
){
$url
=
'http://int.dpool.sina.com.cn/iplookup/iplookup.php?format=json&ip='
.
$queryIP
;
$ch
= curl_init(
$url
);
//初始化url地址
curl_setopt(
$ch
, CURLOPT_ENCODING,
'utf8'
);
//设置一个cURL传输选项
curl_setopt(
$ch
, CURLOPT_TIMEOUT, 10);
curl_setopt(
$ch
, CURLOPT_RETURNTRANSFER, true);
// 获取数据返回
$location
= curl_exec(
$ch
);
//执行一个cURL会话
curl_close(
$ch
);
//关闭一个cURL会话
$loc
=
""
;
if
(
$location
=== FALSE)
return
"地址不正确"
;
if
(
empty
(
$location
->desc)) {
$loc
=
$location
->city;
}
else
{
$loc
=
$location
->desc;}
return
$loc
;
}
$SA_IP
=getip();
$city
= getIPLoc_sina(
$SA_IP
);