function restore($old_question_id, $new_question_id, $info, $restore)
{
$status = parent::restore($old_question_id, $new_question_id, $info, $restore);
if ($status) {
$extraquestionfields = $this->extra_question_fields();
$questionextensiontable = array_shift($extraquestionfields);
//We have to recode the answers field (a list of answers id)
$questionextradata = get_record($questionextensiontable, $this->questionid_column_name(), $new_question_id);
if (isset($questionextradata->answers)) {
$answers_field = "";
$in_first = true;
$tok = strtok($questionextradata->answers, ",");
while ($tok) {
// Get the answer from backup_ids
$answer = backup_getid($restore->backup_unique_code, "question_answers", $tok);
if ($answer) {
if ($in_first) {
$answers_field .= $answer->new_id;
$in_first = false;
} else {
$answers_field .= "," . $answer->new_id;
}
}
// Check for next
$tok = strtok(",");
}
// We have the answers field recoded to its new ids
$questionextradata->answers = $answers_field;
// Update the question
$status = $status && update_record($questionextensiontable, $questionextradata);
}
}
return $status;
}
