Zend Framework is an open source and an object-oriented web application framework. It is implemented in PHP 5 and also known as the component library.
MVC Architecture or Model- View- Controller is pattern encircles the database and business logic from the presentation layer and makes the code easy, clear and logical.
The RAD (Rapid Application development) extends enormous support to the design and command line.Zend Framework allows developers to implement their own variations of individual components without drudging into the ZF code.
It allows expanding & publishing web services providing high-quality, object-oriented PHP 5 class library providing importance to best practices.