Get the Language ID from Template in Joomla 1.5

$config = &JFactory::getConfig();
$config->getValue('language');

Install AVR Media AUDIO and VIDEO Player for Joomla 1.5

1. Install com_avreloaded-x.x.x.zip
2. Check PHP upload_max_filesize setting, sometimes it has a very low value
3. Go to Media Manager and create 'audio' and 'videos' folder in 'stories'
4. Go to Global Settings and add the extensions (for uploading) you need (mp3, avi, mpg, etc)
5. When you write an article, you will find an AVR Media button at the bottom, use that to include an audio or video player...

Get User ID with Jumi in Joomla

If you include a php file to an article with Jumi, you can get the user id with this:

defined('_JEXEC') OR defined('_VALID_MOS') OR die( "Direct Access Is Not Allowed" );

$jAp= & JFactory::getApplication();
$user =& JFactory::getUser();
echo $user->get('id');