About Zend Framework

Extending the art & spirit of PHP, Zend Framework is based on simplicity, object-oriented best practices, corporate friendly licensing, and a rigorously tested agile codebase. Zend Framework is focused on building more secure, reliable, and modern Web 2.0 applications & web services, and consuming widely available APIs from leading vendors.

Zend Framework features include:

All components are fully object-oriented PHP 5 and are E_STRICT compliant
Use-at-will architecture with loosely coupled components and minimal interdependencies
Extensible MVC implementation supporting layouts and PHP-based templates by default
Support for multiple database systems and vendors, including MariaDB, MySQL, Oracle, IBM DB2, Microsoft SQL Server, PostgreSQL, SQLite, and Informix Dynamic Server
Email composition and delivery, retrieval via mbox, Maildir, POP3 and IMAP4
Flexible caching sub-system with support for many types of backends, such as memory or a file system.

Extensible and well-tested code base

Flexible architecture

No configuration files necessary to get going

Frameworks and best practices mean reduced training costs and quicker time-to-market – important factors in adoption decisions. Built so you can pick and choose just the pieces you need to turbocharge your web applications – all your developers know where to find their PHP / Zend Framework code, speeding new development and reducing maintenance costs.

Detailed info about Zend Framework : http://framework.zend.com