/**
* Return new LudoDB object with connection to the database.
* @return LudoDB|LudoDBMySql|LudoDBMySqlI|LudoDBPDO
*/
public static function getInstance()
{
if (!isset(self::$instance)) {
switch (self::$connectionType) {
case self::ADAPTER_PDO:
self::$instance = new LudoDBPDO();
break;
case self::ADAPTER_MYSQLI:
self::$instance = new LudoDBMySqlI();
break;
case self::ADAPTER_PDO_ORACLE:
self::$instance = new LudoDBPDOOracle();
break;
default:
self::$instance = new LudoDBMySql();
}
self::$instance->connect();
}
return self::$instance;
}
