mainframe in Joomla

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joomla

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373

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+1 Q:

mainframe in Joomla

The hello world tutorial for Joomla states:

$mainframe is a global variable in Joomla that has lots of useful methods attached to it.

How do I find out what these methods are? I tried searching through their documentation, but I couldn't find any clues.

+1 A:

The $mainframe object is ultimately an instance the JApplication class. The JApplication class is defined in libraries/joomla/application/application.php. Depending on whether you're in the administrator or frontend section of Joomla, the $mainframe object is a direct instance of JAdministrator or JSite respectively. These classes are in includes/application.php and administrator/includes/application.php.

jlleblanc 2010-04-06 15:30:50

I searched the [class tree](http://api.joomla.org/classtrees_Joomla-Framework.html), but I can't find a a JSite or JAdministrator class

Casebash 2010-04-06 23:32:18

That's where the divide between the CMS and the Framework lies. The class tree is showing *only* the framework. The $mainframe object gets defined in index.php at the application (CMS) level. I'm not finding any specific documentation on JSite or JAdministrator, but they both extend JApplication.

jlleblanc 2010-04-07 13:25:31

@jileblanc: Do JSite or JAdministrator have any extra functions or are we supposed to just access them through the JApplication interface?

Casebash 2010-04-07 22:56:57

Most of the functions in JSite and JAdministrator appear to be overrides of JApplication, but there are a few that appear only to be in JSite (like authorize()). It looks like there's some documentation missing here http://docs.joomla.org/JAdministrator and here http://docs.joomla.org/JSite. But there is documentation on JApplication here http://docs.joomla.org/JApplication.

jlleblanc 2010-04-08 13:11:37

@jleb: If you use the @ when replying and at least the first 4 characters of the name then the other person will receive an alert that you have replied

Casebash 2010-04-09 03:04:53

I decided to post a [new question](http://stackoverflow.com/questions/2604889/japplication-jadministrator-in-joomla) specifically on these classes

Casebash 2010-04-09 03:09:25

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mainframe in Joomla

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