function _save_questions($data, $fieldname)
{
trigger_error("running save questions");
$questions = array();
foreach ($this->_question_fields as $field) {
if (isset($data['quiz'][$field]) and is_array($data['quiz'][$field])) {
foreach ($data['quiz'][$field] as $index => $value) {
if (!isset($questions[$index])) {
$questions[$index] = array();
}
$questions[$index][$field] = $value;
}
}
}
$udm_fields = array();
foreach ($questions as $index => $question) {
$current_field = array();
$current_field['label'] = $question['question'];
$current_field['correct_answer'] = $question['correct_answer'];
$current_field['explanation'] = $question['explanation'];
$current_field['type'] = 'radiogroup';
for ($answer_index = 1; $answer_index < 8; $answer_index++) {
if (!(isset($question["answer_{$answer_index}"]) && $question["answer_{$answer_index}"])) {
continue;
}
$current_field[] = array('key' => $answer_index, 'value' => $question["answer_{$answer_index}"]);
}
$udm_fields["custom{$index}"] = $current_field;
}
$xml_writer = new AMPSystem_XMLEngine("form.{$this->_udm->instance}.quiz.xml");
$xml_writer->save($udm_fields);
}
