} if (!$ns->isParent($input[1], $input[2])) { echo "no\n"; break; } echo "yes\n"; break; case 'path': if (!$collection) { echo "Error: no collection in use.\n"; break; } elseif (!$input[1]) { echo "Error: no node ID specified.\n"; break; } $path = $ns->path($input[1]); if (!$path) { echo 'Error: ' . $ns->error . "\n"; break; } $cat = ''; foreach ($path as $row) { echo $cat . $row->id; $cat = ' / '; } echo $cat . $input[1] . "\n"; break; case 'tree': if (!$collection) { echo "Error: no collection in use.\n"; break;