Simply put, I think Visual Studio is the best piece of software Microsoft ever released. It's miles away compared to other products in the Microsoft product line. So, whenever I can I try to use VS for development.
PHP is one of my favorite and "oldest" loves: it's simple, cheap, easy to use and well documented. It's one of the best choices for most common Web scenarios and nowadays, 14 years later, I still use it whenever I can. But, no "super special" Integrated Development Environment (IDE). Can you see where this is going? Well, PHP tools for Visual Studio. IntelliSense, Cool Debugging, Code Navigation, etc.
You can download them from the Visual Studio Extensions Gallery:
And here's another nice "gadget":