$t = count($_GET['package']);
$i = 1;
$d = 1;

while ($i <= $t) {

if (empty($_GET['package'][$i])) {
    unset($_GET['package'][$i]);
}

if ($_GET['package'][$i] > 1) {
echo $_GET['package'] . " - <br />";

    while ($d <= $_GET['package'][$i]) {
        echo "number " . $d . "<br />";
        $d++;
    }
}

$i++;
}