Dev-PHP is a well-featured IDE for PHP. Fast and powerful, it is easy to use and has a lot of cool features : class browser, scripts preview, integration with PHP parsers, PHP-GTK library, and Xdebug of course. Dev-PHP-usb slips even into your pocket.
Review System Requirements
Download Dev-PHP IDE from the Provider's Website
Dev-PHP: Support Forum
Dev-PHP: Documentation
Dev-PHP: Bugs
Referenced from: Sourceforge