Frame Work is collection of software or program, that trigger off easy coding and implementing the code. It helps to programmer to achieve goals in short period of time.
Some of frame works-
Laravel is a free, open-source PHP web framework, created by Taylor Otwell and intended for the development of web applications following the model–view–controller architectural pattern and based on Symfony.
Symfony is a PHP web application framework and a set of reusable PHP components/libraries. It was published as free software on October 18, 2005 and released under the MIT license.
FuelPHP is an open-source web application framework written in PHP which implements the HMVC pattern.
Flight is a fast, simple, extensible framework for PHP. Flight enables you to quickly and easily build RESTful web applications.
Pholcon PHP works based on MVC and integrated with innovative architecture to do perform faster.
CakePHP is an open-source web framework. It follows the model–view–controller approach and is written in PHP, modeled after the concepts of Ruby on Rails, and distributed under the MIT License.
YiiFramework works based on web 2.0 with high end security. It included input Validation, output filtering, and SQL injection.