Website: http://obfusc.com/
Price:
This doesn't need any module to be enabled on customer's web host.
Key features:
- Replaces variables, functions, classes, members, constants names from PHP scripts with nonsense names and obscure strings, removes comments and white spaces without affecting functionality.
- Starting with 2.0 it has encoder features to hide entirely the code structure.
- Fully obfuscate and encode your project before buying!
- No changes required to your source code!
- No changes required on server!
- PHP4 and PHP5 versions supported.
- Easy to use (in 1-2 hours you can be an expert)
- Advanced GUI
- Great for source/project analysis. You can see easy how/where every name is used.
Screenshot: