Phalanger Tools for Visual Studio

Phalanger Tools for Visual Studio screenshots

Visual Studio extension to natively run PHP on .NET Framework and IIS
New Project
Phalanger Tools for Visual Studio 4.0 : New Project

Alternative downloads

VS.Php for Visual Studio 2013
3.6
This is a PHP IDE that can be installed as an addon for Visual Studio 2013.
Tabs Studio
3.7.2
A Visual Studio add-in that allows you to work with documents.
VS.Php for Visual Studio 2012
3.6.8117.1
An application that allows you to develop PHP applications.