HELP: about PHP + MSSQL

[eluser]kikz4life[/eluser]
hi to all

In my CI Application i was using xampp server, specifically for mysql. But now i want to use ms sql as my back end but xampp doesn't support ms sql. And i don't how to set up php+mssql. I want to run my ci apps in ms sql... (

Any help or guide will be a great help for me..
I will check my thread always for any update.

Thanks in advance guys..