/**
* @return string
* 得到客户端IP
*/
function clientIP()
{
$cIP = getenv('REMOTE_ADDR');
$cIP1 = getenv('HTTP_X_FORWARDED_FOR');
$cIP2 = getenv('HTTP_CLIENT_IP');
$cIP1 ? $cIP = $cIP1 : null;
$cIP2 ? $cIP = $cIP2 : null;
return $cIP;
}
/**
* @return string
* 获取城市
*/
function ipToCity()
{
$ip = clientIP();
$cityDate = @file_get_contents('http://int.dpool.sina.com.cn/iplookup/iplookup.php?format=json&ip='.$ip);
$array = json_decode($cityDate);
return $array;
}本文由：xiaoshu168 作者：xiaoshu发表，转载请注明来源！