Phalanger Tools for Visual Studio

Phalanger Tools for Visual Studio questions & answers

Visual Studio extension to natively run PHP on .NET Framework and IIS

Alternative downloads

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