The PHP IDE project delivers a PHP Integrated Development Environment framework for the Eclipse platform. This project encompasses the development components necessary to develop PHP-based Web Applications and facilitates extensibility. It leverages the existing Web Tools Project in providing developers with PHP capabilities.
Release 3.2 is delivered for the Eclipse Kepler simultaneous release. There are a number of new features documented here and in the New and Noteworthy here: http://wiki.eclipse.org/PDT/NewIn32