> Searching through this list and doing a lot of Googling I see a lot of
> references to a ib/firebird interface in PHP, but have not found any
> documentation on how to enable this or use this. Am I just blind?

There are a few articles here:

http://www.ibphoenix.com/main.nfs?a=ibphoenix&page=ibp_research_examples

Regards
Paul