By providing capabilities that streamline development and deployment, Zend Platform improves the user experience, application responsiveness, integration to your existing infrastructure, and increases application reliability and scalability. With two editions available, Zend Platform is the must-have solution for ensuring reliable PHP applications that run at peak performance.

Zend Platform ES – Ideal for large organizations needing the utmost in scalability and reliability
Platform ES is the ultimate PHP solution incorporating all the features of Platform PS and Platform IS while adding enterprise-grade functionality for increased reliability and scalability in multi-server environments. By providing session clustering, a high availability fail-over solution, your application provides a more robust and reliable user experience. The user experience and responsiveness is further enhanced with off-line processing and a high performance file download mechanism.