определить IP-адрес пользователя учитывая прокси-сервер
- function getip()
- {
- if (getenv("HTTP_CLIENT_IP") && strcasecmp(getenv("HTTP_CLIENT_IP"),"unknown"))
- $ip = getenv("HTTP_CLIENT_IP");
- elseif (getenv("HTTP_X_FORWARDED_FOR") && strcasecmp(getenv("HTTP_X_FORWARDED_FOR"), "unknown"))
- $ip = getenv("HTTP_X_FORWARDED_FOR");
- elseif (getenv("REMOTE_ADDR") && strcasecmp(getenv("REMOTE_ADDR"), "unknown"))
- $ip = getenv("REMOTE_ADDR");
- elseif (!empty($_SERVER['REMOTE_ADDR']) && strcasecmp($_SERVER['REMOTE_ADDR'], "unknown"))
- $ip = $_SERVER['REMOTE_ADDR'];
- else
- $ip = "unknown";
- return($ip);
- }
