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We
can get a reference to the JParameter object using the getParameters() method:
// get the user
$user =& JFactory::getUser();
// get the user's parameters object
$params =& $user->getParameters();
Chapter 7
[ 181 ]
Once we have the parameters object, we can load the XML file and render the form
elements using the render() method, as this example demonstrates:
$params->loadSetupFile($pathToXML_File);
echo $params->render('myparams');
A form field is created for each parameter, all of which are treated as a form array.
The parameter that we provide to the render() method is used to name the form
array. If we do not provide the parameter, the default name 'params' is used.
Our example will create two text inputs called myparams[myparameter] and
myparams[myotherparameter]. This is a screenshot of how these parameters
would appear:
Alternatively we could use the JParameter renderToArray() method
that returns an array of arrays that define the different form elements.
Creating a form to deal with extra parameters is only the beginning; we need to
process submitted forms.


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