public function get_by_id($id = 0, $field_name = 'id')
{
$id = intval($id);
if ($id == 0) {
return false;
}
if ($field_name == false) {
$field_name = 'id';
}
$table = $this->table;
$params = array();
$params[$field_name] = $id;
$params['table'] = $table;
$params['single'] = true;
$data = $this->get($params);
return $data;
}