function getIp()
{
if(!empty($_SERVER["HTTP_CLIENT_IP"]))
{
$cip = $_SERVER["HTTP_CLIENT_IP"];
}
else if(!empty($_SERVER["HTTP_X_FORWARDED_FOR"]))
{
$cip = $_SERVER["HTTP_X_FORWARDED_FOR"];
}
else if(!empty($_SERVER["REMOTE_ADDR"]))
{
$cip = $_SERVER["REMOTE_ADDR"];
}
else
{
$cip = '';
}
preg_match("/[\d\.]{7,15}/", $cip, $cips);
$cip = isset($cips[0]) ? $cips[0] : 'unknown';
unset($cips);
return $cip;
}
获取ip对应的地址
$info_ip = @file_get_contents('http://ip-api.com/json/'.$ip.'?lang=zh-CN');
$info_ip = json_decode($info_ip,true);
