Zend Framework 是用于 PHP 开发 Web 应用程序和 Web Service 程序的高品质开源框架。
利用 PHP 自身特性，Zend Framework 有很高的易用性和强大的功能。它提供了先进、健壮和安全的开发网站的解决方案。
Why use Zend Framework?
Modular
Building blocks that can be used piece by piece with other applications or frameworks
Secure
All the cryptographic and secure coding tools you need to do things right
Extensible
Easy to adapt the framework to your needs
A vibrant and active contributor and user base for getting help and giving back
Engineered with performance tuning in mind
Enterprise Ready
A proven history of success running business critical and high-usage applications
官方网站：http://framework.zend.com/
中文手册推荐：http://sfs.chc.edu.tw/tea_doc/Zend/