PhpStorm 2.0 更加智能，零配置，支持 PHP 5.3 的命名空间和闭包，大大提升了代码分析的能力。
值得关注的内容包括:
Complete PHP 5.3 support including namespaces and closures
Zend Debugger support & zero-configuration debugging in all browsers
Command line tool support including completion for Zend_Tool and Symfony
Full-fledged editors for SQL queries with editable query results
ECMAScript 5 "use strict"
Added Mercurial support
Reworked UI for all supported platforms: Windows, Mac OS and Linux
http://www.jetbrains.com/phpstorm/download/?rss