mmm....
Código PHP:
<?php
$ip = $_SERVER['REMOTE_ADDR'];
$existe = 0;
$visitas = 0;
$set = file("visitantes.txt");
foreach ($set as $line) {
++$visitas;
if ($line == $ip) $existe =1;
}
/*$fp = fopen("visitantes.txt","r");
while($ip2 = fgets($fp)){
$visitas++;
$ips .= $ip2;
if($ip . PHP_EOL . $ip2)$existe = 1;
}
fclose($fp);*/
if($existe == 0){
$set []= $ip;
$fp = fopen("visitantes.txt","w+");
fwrite($fp, join("\n", $set));
fclose($fp);
}
echo 'Visitas: '.$visitas.'';
?>