"statusCode":"200", "message":"' . lang('core', 'operation_successful') . '", "navTabId":"", "rel":"", "callbackType":"forward", "forwardUrl":"admin.php?mod=user&action=index", "confirmMsg":"" }'; } break; case "check_user_name": $check_user = array(); $user_name = isset($_REQUEST['user_name']) ? $_REQUEST['user_name'] : ''; $modify_user_id = isset($_REQUEST['modify_user_id']) ? $_REQUEST['modify_user_id'] : ''; if (!empty($user_name)) { $check_user = ext::check_user_exist($user_name, $modify_user_id); if (empty($check_user)) { echo "true"; } else { echo "false"; } } else { echo "false"; } die; break; case "add": case "edit": $user_date = array(); $user_password_encode = ''; $is_submit = isset($_POST['is_submit']) ? $_POST['is_submit'] : 0;