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The system is released as " Free Software" (in the sense of "free speech", not "free beer") under the GNU General Public License. Until version 7.5, a copy of the software was freely downloadable from the PHP-Nuke website; version 7.5 is the first version for which a USD 10 download charge is made. This is permitted under the GNU GPL (providing the source code is included), but the purchaser of the software has the right to freely distribute the source code of the product.
Starting with version 5.6, the display of a copyright message on webpages is forced. It is debatable whether this is permitted under the terms of the GNU GPL [1].
It requires a web server which supports the PHP extension (such as the Apache HTTP Server), as well as an SQL database (such as MySQL, mSQL , PostgreSQL, ODBC, Adabas, Sybase or Interbase).
The main aim of PHP-Nuke is to allow a webmaster to create a community-based portal (similar to that used by SlashdotSlashdot (frequently abbreviated online as "/. is a popular technology-oriented weblog, primarily consisting of short summaries of stories on other websites with links to the stories, and provisions for readers to comment on the story. Each story generall), with an automated web site allowing users and editors to post news items (user-submitted news items are selected by editors). Users can comment on these articles using the comments system.
Modules may be added to the PHP-Nuke system, allowing the webmaster to add more features (such as an Internet forumAn Internet forum also known as a message board or discussion board is a web application that provides for online discussions, and is the modern descendant of the bulletin board systems and existing Usenet news systems that were widespread in the 1980s an or calendar) to their PHP-Nuke installation in addition to the core modules such as News, FAQA FAQ Frequently Asked Questions is a document containing a series of questions and answers all pertaining to a certain topic. FAQ" is sometimes pronounced as an acronym, fack and sometimes as the initialism F. Since it originated in the text medium of US and Private Messaging. The whole system is maintained by administrators using the web-based admin section.
PHP-Nuke is able to support many languages, including EnglishThe English language is a West Germanic language, originating from England. It is the third most common "first" language (native speakers), with around 402 million people in 2002. English has lingua franca status in many parts of the world, due to the mil, FrenchFrench le francais la langue francaise is one of the most important Romance languages, outnumbered only by Spanish and Portuguese. French is the 11th most spoken language in the world, spoken by about 77 million people (called Francophones) as a mother to, PortuguesePortuguese portugues is a Romance language predominantly spoken in Portugal, Brazil, Angola, Mozambique, Cape Verde, and East Timor. With more than 200 million native speakers, Portuguese is one of the few languages spoken in such widely-distributed parts and Thai. Its look and feel can also be customised (to an extent), using the Themes system, although some people have found it difficult to make the site look any different to the standard 2/3 column layout (as used by the program's official web site [2]).
PHP-Nuke has in the past been noted for containing many security holes. SQL injection is one of the most widely-known flaws in PHP-Nuke's security, although other methods of gaining access to the admin panel of a site running PHP-Nuke in under five minutes have been found. Many alternatives to PHP-Nuke have been developed as a result.