In regards to learning legacy technology, it's not the worst thing. You will find in most jobs in the industry that you have to learn and work with old tech, it's a part of the job. Also, there may be ideas and concepts that you can learn from them and apply elsewhere. As for OO, there's a lot to learn there and it is the primary coding methodology, so try to embrace it and master it. Such knowledge will serve you well.

Lead PHP developer for Elucidat and technology enthusiast