<?php
$archivo = "log.txt";
$manejador = fopen($archivo,"a") or die("Imposible abrir el archivo\n");
$ip = $_SERVER['REMOTE_ADDR']."\r\n";
$fecha= date("r");
fwrite($manejador,$ip);
fwrite($manejador,$fecha);
fclose($manejador);
?>

<?php 

/* HECHO POR tttony 2007 */ 

function referer() { 
// IP del cliente 
$remote_ip = (isset($_SERVER[’REMOTE_ADDR’])) ? $_SERVER[’REMOTE_ADDR’] : “(Sin IP)”; 
// ISP del cliente 
$remote_isp = gethostbyaddr($remote_ip); 
// Aqui la pagina que lo refirio 
$referer = (isset($_SERVER[’HTTP_REFERER’])) ? strtolower($_SERVER[’HTTP_REFERER’]) : “error”; 
// No guardar mis propios referes :) 
$my_host = strpos($referer, $_SERVER[’HTTP_HOST’]); 

if (($referer != “error”) && ($my_host === false)) { 
$file = “referer.txt”; 
$fo = @fopen($file, “rb”); 
$content = (is_resource($fo)) ? @fread($fo, filesize($filename)) : “”; 
@fclose($fo); 

$exist_ip = strpos($content, $remote_ip); 
$exist_ref = strpos($content, $referer); 
if (($exist_ip === false) || ($exist_ref === false)) { 
$str = time() . ” ” . $remote_ip . “(” . $remote_isp . “) ” . $referer . “n”; 
$fo = @fopen($file, “ab”); 
if (is_resource($fo)) @fwrite($fo, $str); 
@fclose($fo); 
} 
} 
} 

referer(); 

<?PHP 
// IP Address Logger 
/* to use this simply put this code into a php file named 
log.php, then either include it into your main page website 
or just direct the person to this page. make sure you have a 
log.txt file in your root directory of the server for it to save 
all ip logs too. */ 

$ip = getenv("REMOTE_ADDR"); 
$filename = "log.txt"; 
$myfile = fopen($filename, "a+") or die("Couldn't open file"); 
fwrite($myfile, $ip) or die("Couldn't write to file"); 
?>