IP Logger

<?php

    $ip = $_SERVER['REMOTE_ADDR'];
    $useragent = $_SERVER['HTTP_USER_AGENT'];
    // Nama File
    $result = fopen('result.txt', 'a');
    // Isi File
    $isi = "
    IP : $ip
    User Agent : $useragent
    ";
    fwrite($result, $isi);
    fclose($result);
 ?>