/**
* Adjust the standard full name, depending on the state of multiselect and expanded
* @return string
*/
public function getFullName()
{
// get the normal name
$fullName = parent::getFullName();
// if the control is a multiselect, non expanded control, then we need to add something
$multiselect = $this->get('multiselect', false);
$expanded = $this->get('expanded', false);
if ($multiselect && !$expanded) {
$fullName .= '[]';
}
return $fullName;
}