Membuat Counter Web dengan Images

<?php
// letak image yang digunakan sebagai counter
$img = "http://localhost/php/counter/";

// letak image animasi
$animated_img = "http://localhost/php/counter/ani/";

// Berapa digit yang ditampilkan
$padding = 6;

// ukuran lebar dan tinggi file image
$width = 16;
$height = 22;

// letak file log
$fpt = "acount.txt"; //

$lock_ip =0; // IP locking, 1=ya 0=tidak
$ip_lock_timeout =30; // dalam menit
$fpt_ip = "ip.txt"; // file IP log

function checkIP($rem_addr) {
global $fpt_ip,$ip_lock_timeout;
$ip_array = file($fpt_ip);
$reload_dat = fopen($fpt_ip,"w");
$this_time = time();
for ($i=0; $i<sizeof($ip_array); $i++) {
list($ip_addr,$time_stamp) = split("|",$ip_array[$i]);
if ($this_time < ($time_stamp+60*$ip_lock_timeout)) {
if ($ip_addr == $rem_addr) {
$found=1;
}
else {
fwrite($reload_dat,"$ip_addr|$time_stamp");
}
}
}
fwrite($reload_dat,"$rem_addr|$this_time ");
fclose($reload_dat);
return ($found==1) ? 1 : 0;
}

if (!file_exists($fpt)) {
$count_dat = fopen($fpt,"w+");
$digits = 0;
fwrite($count_dat,$digits);
fclose($count_dat);
}
else {
$line = file($fpt);
$digits = $line[0];
if ($lock_ip==0 || ($lock_ip==1 && checkIP($REMOTE_ADDR)==0)) {
$count_dat = fopen($fpt,"r+");
$digits++;
fwrite($count_dat,$digits);
fclose($count_dat);
}
}
$digits = sprintf ("%0".$padding."d",$digits);
$ani_digits = sprintf ("%0".$padding."d",$digits+1);
echo "<table cellpadding=0 cellspacing=0 border=0><tr align=center> ";
$length_digits = strlen($digits);
for ($i=0; $i < $length_digits; $i++) {
if (substr("$digits",$i,1) == substr("$ani_digits",$i,1)) {
$digit_pos = substr("$digits",$i,1);
echo ("<td><img src=$img$digit_pos.gif width=$width height=$height></td> ");
}
else {
$digit_pos = substr("$ani_digits",$i,1);
echo ("<td><img src=$animated_img$digit_pos.gif width=$width height=$height></td> ");
}
}
echo "</tr></table> ";
?>