public function __construct($table_name, $id = 0, &$db = false)
{
if ($id > 0) {
$this->bean = R::load($table_name, $id);
} else {
$this->bean = R::dispense($table_name);
}
$this->table_name = $table_name;
$this->db = $db;
if ($id > 0) {
$this->load($id);
}
$this->fields = Fm::config('models.' . $table_name);
}