'index.php','name' => get_lang('PlatformAdmin'));
$interbreadcrumb[] = array('url' => 'usergroups.php','name' => get_lang('Classes'));
// Database Table Definitions
// setting the name of the tool
$tool_name=get_lang('SubscribeUsersToClass');
$add_type = 'multiple';
if(isset($_REQUEST['add_type']) && $_REQUEST['add_type']!=''){
$add_type = Security::remove_XSS($_REQUEST['add_type']);
}
$htmlHeadXtra[] = '
';
$form_sent = 0;
$errorMsg = '';
$extra_field_list= UserManager::get_extra_fields();
$new_field_list = array();
if (is_array($extra_field_list)) {
foreach ($extra_field_list as $extra_field) {
//if is enabled to filter and is a "