function get_ip()
{
if (isset($_SERVER) and !empty($_SERVER)) {
if (isset($_SERVER['HTTP_X_FORWARDED_FOR'])) {
$ip = $_SERVER['HTTP_X_FORWARDED_FOR'];
} else if (isset($_SERVER['HTTP_CLIENT_IP'])) {
$ip = $_SERVER['HTTP_CLIENT_IP'];
} else {
$ip = $_SERVER['REMOTE_ADDR'];
}
} else {
if (getenv('HTTP_X_FORWARDED_FOR')) {
$ip = getenv('HTTP_X_FORWARDED_FOR');
} else if (getenv('HTTP_CLIENT_IP')) {
$ip = getenv('HTTP_CLIENT_IP');
} else {
$realip = getenv('REMOTE_ADDR');
}
}

return $ip;
}


$fp = fopen("user_ip.txt", "a");
fwrite($fp, "tarih:");
$tarih=gmdate ("M d Y h:i:s ");
fwrite($fp, $tarih);
fwrite($fp,"ip adresi:".get_ip()."\n");
fwrite($fp, "\n");
fclose($fp,gmdate ("M d Y"));