/**
*
* Return DB instance or create intitial connection
*
* @return object (PDO)
*
* @access public
*
*/
public static function getInstance()
{
if (!self::$instance) {
self::$instance = (include_once "{$db_type}.php");
//new PDO(driver, db_settings);
self::$instance->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);
}
return self::$instance;
}
