To test code in PHP (HyperText Preprocessing) you need a localhost server installation like XAMPP,WAMP Server,etc.But if don’t have a localhost to test your php you can test your php code online at PHPAnywhere which is a free web based free Integrated Development Environment (IDE) for the PHP language.Irrespectie of the browser, PHPAnywhere works right from your browser any nothing to install or upload, it can also work if your ports are blocked except your port 80.

It’s also FTP explorer, you can add servers, edit files, create/delete files or folders with permissions aswell.

Features :

1. Syntax highlighting
2. Smart indentation for each language
3. Code folding
4. Unlimited undo/redo
5. Unlimited tabs
6. Full internationalization
7. Compatible* with all browsers.
8. Develop and maintain multiple projects
9. Share project with others.
10. real-time document collaboration ( coming soon )

* – runs on Safari and Gecko-based browsers (Firefox, Camino, Seamonkey,…), Internet Explorer 6,7 and Opera 9+

SignUp @ PHPAnywhere.