/**
* Modify (input) fieldset so it includes hidden fields
*
* @param fieldset $fieldset HTML/QuickForm2 fieldset to modify
* @param array $hidden array of hidden fieldnames (keys) and values
* @return null
*
* @access private
*/
private function add_hidden_fields_to_fieldset(&$fieldset, $hidden)
{
foreach (array_keys($hidden) as $key) {
$value = $hidden[$key];
$fieldset->addElement('hidden', $key)->setValue($value);
}
}
