$prev = '';
$i = 0;
foreach ($nav as $n)
{
if (!$n) continue;
list ($href, $title) = explode('=', $n, 2);
$href = trim($href);
$title = trim($title);
if (!$title || !$href) continue;
if (!$i++) {
?>
|
| ← ботаника | if ($next) { ?>зоология → } ?> |