foreach ($tree as $row) {
for ($i = 1; $i < $row->ns_level; $i++) {
echo '-';
}
echo $row->id . "\n";
}
break;
case 'siblings':
if (!$collection) {
echo "Error: no collection in use.\n";
break;
} elseif (!$input[1]) {
echo "Error: no node ID specified.\n";
break;
}
$tree = $ns->siblings($input[1]);
if (!$tree) {
echo 'Error: ' . $ns->error . "\n";
break;
}
foreach ($tree as $row) {
echo $row->id . "\n";
}
break;
case 'roots':
if (!$collection) {
echo "Error: no collection in use.\n";
break;
}
$tree = $ns->getRoots();
if (!$tree) {
