I've not had any problems getting 1 and 1 to recognize the php5.ini file, you should contact 1 and 1 support if you are having difficulties with this.
Your friends over here at WebAssist! These Dreamweaver extensions will assist you in building unlimited, custom websites.
These out-of-the-box solutions provide you proven, tested applications that can be up and running now. Build a store, a gallery, or a web-based email solution.