(`cn_source`, `description`, `used`, `class_sort_rule`)
VALUES (?, ?, ?, ?)");
$sth->execute($cn_source, $description, $used, $class_sort_rule);
(`cn_source`, `description`, `used`, `class_sort_rule`)
VALUES (?, ?, ?, ?)");
$sth->execute($cn_source, $description, $used, $class_sort_rule);