Question

config.php

define('DB_TYPE', 'MYSQL');

dbManager.php

incude_once('config.php');
switch ( DB_TYPE ) {
   case 'MYSQL':    $this->_dataObject = MySqlDB::_getInstance();   break;
   case 'PGSQL':    $this->_dataObject = PostgreDB::_getInstance(); break;
   case 'SQLITE':   $this->_dataObject = SqliteDB::_getInstance();  break;
}

Can this piece of code be rewritten without the case? Something like:

$this->_dataObject = DB_TYPE::_getInstance();

This gives me an error Fatal error: Class 'DB_TYPE' not found .... in line ...

Answer 1

maybe

$DBClassName = 'MySqlDB';
$this->_dataObject = $DBClassName::_getInstance();