Thanks for the thoughts. To be honest, I'm not really concerned about PHP4 anymore, it's been dead a while. Thanks giving me an idea for a followup article to

Thanks for the thoughts. To be honest, I'm not really concerned about PHP4 anymore, it's been dead a while. Thanks giving me an idea for a followup article too, I'll do exactly that, write a small direct application and compare performance with large datasets. Also, doing this in a purely procedural method would be an interesting article too.