Joomla! Documentation™

This page is intended as a collection of quick tips on API and general changes in 1.6. Please add any tips, and link to any further detailed information as its created.

Also see page: http://docs.joomla.org/Tutorial:Upgrade_Joomla_1.5_Extension_to_Joomla_1.6

API Changes

• $mainframe is no longer defined, you have to do $mainframe = JFactory::getApplication();
• The user event 'onLoginUser' is now 'onUserLogin'

Application Changes

• config.xml has different tags and supports multiple options pages.
• The modules, components and plugins tables were consolidated in the #__extensions table.

Formatting Changes

• Translations format has changed. Avoid double quotes or encode them as "_QQ_". Enclose all strings in double quotes.
• Parameters internal representation has changed from INI to JSON. If you do custom parsing, you need to be aware.