function get_db_obj ($srv_name_or_alias = 'db1')
{
$srv_name = $this->get_srv_name($srv_name_or_alias);
if (!is_object($this->srv[$srv_name]))
{
$this->srv[$srv_name] = new sql_db($this->cfg[$srv_name]);
$this->srv[$srv_name]->db_server = $srv_name;
}
return $this->srv[$srv_name];
}
$bb_cfg['db_alias'] = array(
// 'alias' => 'srv_name'
'cap' => 'db1', // BB_CAPTCHA
);
DB()->query
DB('cap')->query
$bb_cfg['db_alias'] = array(
// 'alias' => 'srv_name'
'cap' => 'db2', // BB_CAPTCHA
);