Different equity trading strategies
You would need to download the install the SNMP MIB on your system before it will work for you. If you know the model and software release of switch you are working with you should be able to find a suitable MIB here.
Or you could always visit Avayas website for the latest and greatest. With respect to porting the code to PHP, it wouldnt be very hard at all for anyone that knows PHP fairly well, you can search Google for examples. I personally like Perl so thats what I use myself.