Nucleus CMS

Nucleus CMS

Developer(s)	The Nucleus Group
Stable release	3.64 / March 14, 2011 (2011-03-14)
Repository	github.com/NucleusCMS/NucleusCMS
Platform	PHP
Type	Blog
License	GNU General Public License
Website	nucleuscms.org

Nucleus CMS is an open-source blog management software package written in PHP, with a MySQL backend, primarily written and maintained by Wouter Demuynck. It is used to manage frequently-updated Web content. With a little tweaking (mainly to skins), it might be considered a lightweight content management system.

Nucleus makes use of a callback function which has led to a plugin system that has inspired somewhere in the order of 50 to 100 distinct plugins. The general drive within the development community is that functionality should exist as plugins as totally as possible. This philosophy has led to a relatively light and uncluttered base install.

Nucleus is included in Fantastico, available via many domains' cPanel as well as via a number of "easy install" services such as Simple Scripts.

History

Nucleus was written mostly by Demuynck while he was studying for a bachelor in computer science. In January 2000, Wouter started a web blog using Blogger. After a while, he wanted a commenting feature, and wrote, for the first time, a PHP script for this purpose. Later, he started to use tricks to have multiple Blogger blogs on the same page (using JavaScript). In his words:

But the Blogger service was getting less and less fun to use, because of the constant downtimes. I had to switch to a decentralized tool, but could not find a 'decent' one: I tried GreyMatter, but it did not allow multiple weblogs. PHP-Nuke and alike tools did not offer enough flexibility with the layout, and were not exactly what I was looking for. Movable Type, pMachine, Pivot etc. did not exist yet, so I had to come up with something of my own.

So I did. In the beginning of 2001, I wrote (starting from scratch) the basis of what would later turn out to become Nucleus: a set of PHP classes, reading data from XML files. No real admin-area yet, no multiple users. But multi-weblog from the start.

It was in the summer of 2001 that I decided to move from XML files to MySQL and started building a good admin interface, so I could release the script and share it with other people. It got a little out of hand.

Development Community

Nucleus is developed and supported actively across five languages (English, German, Polish, Czech, Japanese) as well as having more than fifty user contributed translations available.

Demonstration installations of Nucleus CMS are hosted both by The Nucleus Group and by Open Source CMS.

The English language forum has over five thousand registered users.

Methodologies

NucleusCMS uses a database to store content which is manipulated by a number of classes. These classes fall into two groups, core and plugin. The core contains the basic functionality including a callback system which is used to trigger plugins. By default, NucleusCMS comes with just one plugin as standard (two from version 3.3).

The output is rendered using a custom two layer substitution based template and skin system. Templates generally provide the form for iterated content (such as listings) whereas the structure is provided by what are called skins. Skins are divided up by type (index, item, archive, archives, user, error, search (and custom with 3.3)) and are specified separately to each other. Include files can be used to reduce repetition of common elements.

API

Nucleus CMS supports a number of common blog oriented API through the use of an XML-RPC library.

• Movable Type API
• metaWeblog API
• Blogger API

External sources

Very little of Nucleus CMS is sourced from additional parties. There are a few documented exceptions, however.

• The XML-RPC used is XML-RPC for PHP.
• The backup/restore code is said to be largely inspired on the code used in phpBB.

See also

• List of content management systems

External links

• Nucleus CMS website
• Nucleus Demonstration
• Nucleus Web Hosting In Great Britain