Php Leads Web2 0

PHP is a key enabling technology behind Web 2.0 applications and services. The document discusses how PHP powers many Web 2.0 sites through its ability to create rich web applications using AJAX and expose functionality through web services. It also explains how PHP supports a service-oriented architecture and allows users to collaboratively create and share content. The rise of PHP and other open source technologies has lowered barriers for developers and driven innovation in Web 2.0.