IPlogger

<?php
$ip = $_SERVER["REMOTE_ADDR"];
$browserandos = $_SERVER['HTTP_USER_AGENT'];
$referalka = $_SERVER['HTTP_REFERER'];
if (!empty($ip)) {
   $details = json_decode(file_get_contents("http://ipinfo.io/{$ip}/json"));
   $hostname=gethostbyaddr($ip);
}
$date = date("Y-m-d H:i:s");
$file = fopen("ipshniki.txt","a+");
    fwrite($file,"-----------------"."\r\n");
    fwrite($file,"IP: ");
    fwrite($file,$ip."\r\n");
    fwrite($file,"Hostname: ");
    fwrite($file,$hostname."\r\n");
    fwrite($file,"Date: ");
    fwrite($file,$date."\r\n");
    fwrite($file, "Country: ");
    fwrite($file,$details->country."\r\n");
    fwrite($file,"City: ");
    fwrite($file,$details->city."\r\n");
    fwrite($file,"Region: ");
    fwrite($file,$details->region."\r\n");
    fwrite($file,"Internet provider: ");
    fwrite($file,$details->org."\r\n");
    fwrite($file,"Browser and OS: ");
    fwrite($file,$browserandos."\r\n");
    fwrite($file,"Where he got link: ");
    fwrite($file,$referalka."\r\n");
    fwrite($file,"-----------------");
fclose($file);
    ?>