The lesser-known Qcodo, Yii, Seagull, and Lithium PHP frameworks may not be as extensive as Zend Framework and Symfony or as approachable as CakePHP and CodeIgniter, but they have other virtues to ...

This makes PHP suitable for working with WebSockets API introduced in PHP5. PHP allows the developer to mix HTML and PHP together while also being suitable for coding in a number of software patterns.