break;
case 'create':
if (!$input[1]) {
echo "Error: no collection specified.\n";
break;
}
array_shift($input);
$collection = array_shift($input);
$_fields = array('id');
$fields = array();
foreach ($input as $field) {
$fields[$field] = 'char(32)';
$_fields[] = $field;
}
$ns = new NestedSet($collection);
$res = $ns->create($fields);
if (!$res) {
echo 'Error: ' . $ns->error . "\n";
break;
}
echo "Collection created.\n";
break;
case 'drop':
if (!$collection) {
echo "Error: no collection in use.\n";
break;
}
echo "Are you sure you want to drop the collection '" . $collection . "'? (yes|no)\n";
$in = explode(' ', trim(fgets(STDIN)));
if ($in[0] != 'yes') {
echo "Aborted.\n";
