Zend Guard (which was formerly called Zend Encoder) protects your apps from reverse engineering and unauthorized customization by providing encoding and obfuscation. It further protects from unlicensed use and redistribution by providing comprehensive licensing support. This combined functionality makes software distribution worry free.
* The most widely accepted PHP encryption product on the market. Available for over 7 years
* Zend’s dedicated team of developers makes it the most stable and robust encoder on the market
* Streamlined integration with Zend Studio
* The only product that provides with protection for object oriented programs created with PHP 4 or PHP 5
Zend Guard – Protect your PHP Applications