This document discusses and compares several popular PHP frameworks for developing web applications. It describes CodeIgniter as being easy to learn and focused on enabling faster development. Zend Framework is described as powerful, secure, reliable and suitable for large businesses. Symfony is presented as optimizing development time for complex projects through tools and classes. CakePHP incorporates MVC architecture, Ajax, JavaScript and other features to provide a predictable structure. The document recommends hiring PHP developers experienced with these frameworks to quickly launch and maintain projects across different technologies.