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xml file. We can do this using the JFile class:
// create XML string
$xmlString = ''."\n";
$xmlString .= $document->toString();
// get the JFile class
jimport('joomla.filesystem.file');
// save the changes
if (!JFile::write($pathToXML_File, $xmlString))
{
// handle failed file save
}
These alterations will enable users to modify myparameter and myotherparameter,
when they use the user's component to modify their details. This screenshot depicts
the resultant form with the changes:
If one were to employ this technique, the best place to do so would probably be in a
component installation file. It is also important to consider making a backup of the
existing file, in case of any unexpected difficulties.
Modifying this file could also lead to problems if the file is ever updated, for example
as part of an upgrade. However, it does mean that all of the user's details are editable
from one central point.
Extension Design
[ 184 ]
The Session
When a user accesses Joomla!, a new session is created; this occurs even if the user
is not logged in.


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