Bayesian filtering has come to the fore for being exceedingly good at identifying spam. The Mozilla email clients use it and they are excellent, once trained, in separating real spam from false positives. IBM Developer works shows how to implement Bayesian inference in PHP.

We use AIM at work, most of the time its pretty useful. Except at times like this afternoon when I feel like Hercules fighting the Hydra. As soon as I get answer someone's question, two more pop up for me to deal with.

Runnigng PHP4 and PHP5 together using apache proxying.

To solve this problem, I used Apache's mod_proxy module and two apache servers... My primary server runs PHP 5 as an Apache module and a second apache server runs PHP 4.3.5 as a module. My configuration requires that you can setup multiple virtual servers and run Apache to listen on localhost on port 8080. Here's what I did: