Latest Version: 22.214.171.124 (build against wxWidgets 3.0.2)
This extension is available in the official PHP C Extensions Library which you can find at http://pecl.php.net/package/wxwidgets For building from pecl type:
pecl install wxwidgets
Automated windows binaries are also available on the pecl page under a link labeled DLL (thanks to weltling).
All Platforms (source)
GitHub repository: https://github.com/wxphp/wxphp
Interface File: wxwidgets.php (for use as described here)
Thread Safety Versions build against wxWidgets 3.0.2, PHP 5.4.41 for x86 and PHP 5.6.9 for x64
Windows installer bundled with PHP, wxPHP, documentation, examples and wxPHP Shell
Note: You will need the Visual C++ 2008 SP1 Redistributable for x86 version or Visual C++ 2012 Redistributable for x64 before installing.
Third Party build
Great application to assist you on the design of graphical user interfaces. The latest nightlies include the changes we did in order to incorporate PHP code generation, Check it out at: