CMS Architecture in 1.5 and 1.6

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The Joomla! 1.5 Framework[1][2]

The Joomla! 1.5 and is a three tiered system consisting of the following:

Joomla! 1.5 Architecture
  1. The top, Extensions layer, consists of Extensions to the Joomla Framework and its applications:
  2. The middle, Application layer, consists of applications that extend the Framework JApplication class. Currently there are four applications included in the Joomla distribution:-
    • JInstallation is responsible for installing Joomla on a web server and is deleted after the installation procedure has been completed.
    • JAdministrator is responsible for the back-end website administration.
    • JSite is responsible for the front-end of the website.
    • XML-RPC supports remote administration of the Joomla website.
  3. The bottom, Framework layer, consists of:-


  1. See also Platform
  2. Framework