Zend Products and PHP for IBMi provides an overview of Zend technologies for the IBM i platform, including:
1) Zend Server which is a PHP application server that improves performance, reliability, and security of PHP applications on IBMi.
2) The Zend Framework which is installed automatically with Zend Server and provides a set of PHP components and libraries.
3) The new open source PHP toolkit which provides a set of classes that allow PHP applications to access IBMi functions through a compatibility wrapper.