PHP Plugin & Hook System
There are many that covet the plugin systems of the most popular content management systems such as WordPress, Joomla, Drupal, etc. Even some of the most popular frameworks have a plugin system, but what if you don't use a framework? Where do you turn? Now you can turn to the PHP Plugin and Hook System. It is Object Oriented and should be easy to integrate into any PHP application to allow for third party or user extensions or plugins.