Good Alternative DBAL to Doctrine2 DBAL [closed]

I have a simple application that is set up to use Docrine2 DBAL, the problem is it needs to run on a host that only supports php 5.2.6. Doctrine requires PHP 5.3…

What is a good alternative Database Abstraction Layer for PHP? Should I simply convert everything to PDO? Or are there other good options?

Thanks.

Answer

Maybe Zend_Db database abstraction layer?