que me hace falta instalar?

[armengual2]

bueno solo tengo instalado el dreamweaver, la pagina esta en un servidor en internet que soporta php,las carpetas estan subidas con el resto de la web y el codigo que viene es este ,esto me lo baje de una pagina ya echo.gracias y un saludo.

<?php
/**
* ----------------------------------------------
* Simple Animated Counter PHP 1.1
* Copyright (c)2001 Chi Kien Uong
* URL: http://www.proxy2.de
* ----------------------------------------------
*/

class acounter {

var $config = array();

function acounter () {

/* URL to the digitset */
$this->config['img'] = "http://localhost/~counters/acountphp/digits/";

/* URL to the animated digitset */
$this->config['animated_img'] = "http://localhost/~counters/acountphp/digits_ani/";

/* How many digits to show */
$this->config['pad'] = 6;

/* digit width and height */
$this->config['width'] = 16;
$this->config['height'] = 22;

/* ip blocking (true/false) */
$this->config['block_ip'] = false;

/* path to ip logfiles */
$this->config['logfile'] = "./ip.txt";

/* timeout (minutes) */
$this->config['block_time'] = 15;
}

function is_new_visitor() {
$is_new = true;
$rows = @file($this->config['logfile']);
$this_time = time();
$ip = getenv("REMOTE_ADDR");
$reload_dat = fopen($this->config['logfile'],"wb");
flock($reload_dat, 2);
for ($i=0; $i<sizeof($rows); $i++) {
list($time_stamp,$ip_addr) = split("\|",$rows[$i]);
if ($this_time < ($time_stamp+$this->config['block_time'])) {
if (chop($ip_addr) == $ip) {
$is_new = false;
} else {
fwrite($reload_dat,"$time_stamp|$ip_addr");
}
}
}
fwrite($reload_dat,"$this_time|$ip\n");
flock($reload_dat, 3);
fclose($reload_dat);
return $is_new;
}

function read_counter_file($page) {
$update = false;
if (!file_exists("./pages/$page.txt")) {
$count_dat = fopen("./pages/$page.txt","w+");
$this->counter = 1;
fwrite($count_dat,$this->counter);
fclose($count_dat);
} else {
$fp = fopen("./pages/$page.txt", "r+");
flock($fp, 2);
$this->counter = fgets($fp, 4096);
flock($fp, 3);
fclose($fp);
if ($this->config['block_ip']) {
if ($this->is_new_visitor()) {
$this->counter++;
$update = true;
}
} else {
$this->counter++;
$update = true;
}
if ($update) {
$fp = fopen("./pages/$page.txt", "r+");
flock($fp, 2);
rewind($fp);
fwrite($fp, $this->counter);
flock($fp, 3);
fclose($fp);
}
}
return $this->counter;
}

function create_output($page='') {
if (empty($page)) {
$page = "counter";
}
$this->read_counter_file($page);
$this->counter = sprintf("%0"."".$this->config['pad'].""."d",$this->counter);
$ani_digits = sprintf("%0"."".$this->config['pad'].""."d",$this->counter+1);
$html_output = "<table cellpadding=\"0\" cellspacing=\"0\" border=\"0\"><tr align=\"center\">\n";
for ($i=0; $i<strlen($this->counter); $i++) {
if (substr("$this->counter",$i,1) == substr("$ani_digits",$i,1)) {
$digit_pos = substr("$this->counter",$i,1);
$html_output .= "<td><img src=\"".$this->config['img']."$digit_pos.gif\"";
} else {
$digit_pos = substr("$ani_digits",$i,1);
$html_output .= "<td><img src=\"".$this->config['animated_img']."$digit_pos.gif\"";
}
$html_output .= " width=\"".$this->config['width']."\" height=\"".$this->config['height']."\"></td>\n";
}
$html_output .= "</tr></table>\n";
return $html_output;
}

}

?>