php使用$_SERVER["REMOTE_ADDR"]获取访问IP地址，_serverremote_addr_PHP教程

php使用$_SERVER["REMOTE_ADDR"]获取访问IP地址，_serverremote_addr

print "您的IP地址是：";


if(!empty($_SERVER["HTTP_CLIENT_IP"])){
  $cip = $_SERVER["HTTP_CLIENT_IP"];
}
elseif(!empty($_SERVER["HTTP_X_FORWARDED_FOR"])){
  $cip = $_SERVER["HTTP_X_FORWARDED_FOR"];
}
elseif(!empty($_SERVER["REMOTE_ADDR"])){
  $cip = $_SERVER["REMOTE_ADDR"];
}
else{
  $cip = "无法获取！";
}
print $cip;