Array next()

[mtx_maurizio]

<?php
$page = basename($_SERVER['PHP_SELF']);
$arr = array ("a", "b", "c", "d");
$dim = count($arr);
if (!isset($_GET['inc']))
{
    $inc = 0;
}
else
{
    $inc = $_GET['inc'] + 1;
}

echo $arr[$inc];
echo "

";
if ($dim > $inc)
{
    echo '[url="' . $page . '?inc=' . $inc . '"]next[/url]';
}
else
{
    echo 'array terminato';
}
?>