PHP Obfuscation and Encryption

• Codelock V2.0  - File code and script encrypter for PHP and HTML.
• Gridin Soft PHP Processor  - Hides the source codes of your project in distribution of your published work. Decreases code files size.
• PHP Code Twister  - Obfuscates PHP code files. This will cause the file to be unreadable.
• PHP Encoder  - Promises heavy encryption security and complete licensing system designed for the greatest performance of one's site.
• PHP Shield  - PHP encoder and encrypter. Protects your application from being copied. Available in 7-day trial.
• phpObfuskator  - Free PHP obfuscator tool with available source code.
• POBS  - Lists present variables, functions and constants while scanning file in your source code after which organizes the whole file to protect and hide your source code.
• Professional PHP solutions: IonCube  - Protects and hides PHP source codes. Also an encoder, installer and performance tool. Available in many versions.
• Protect PHP  - Share your PHP projects without giving your source code.
• Source Guardian  - Encrypts, obfuscates and protects your source code files.
• Thicket Obfuscator for PHP  - Organizes PHP source code so that it will not be retrieved or copied when already published in the web.
• Turck MMCache  - Contains details about this free, open source PHP accelerator, optimizer, encoder and dynamic content cache for PHP. Includes download and installation notes.