/**
* Returns the list of fields that can be exported
*
* @param bool $prefix
*
* @return array
*/
static function &export($prefix = false)
{
if (!(self::$_export)) {
self::$_export = array();
$fields = self::fields();
foreach($fields as $name => $field) {
if (CRM_Utils_Array::value('export', $field)) {
if ($prefix) {
self::$_export['member_dues_duration'] = & $fields[$name];
} else {
self::$_export[$name] = & $fields[$name];
}
}
}
}
return self::$_export;
}
public function save() {
parent::save();
}