<?php

    /**
     * Load a list of users enrolled in the current course with the specified permission and group.
     * 0 for no group.
     *
     * @param int $currentgroup
     * @param bool $idsonly
     * @return array List of user records
     */
    public function list_participants($currentgroup, $idsonly) {

        $cm = $this->get_course_module();

        if ($idsonly) {
            $users = get_enrolled_users($this->context, 'mod/assign:submit', $currentgroup, 'u.id', null, null, null,
                    $this->show_only_active_users(), $cm);
        } else {
            $users = get_enrolled_users($this->context, 'mod/assign:submit', $currentgroup, 'u.*', null, null, null,
                    $this->show_only_active_users(), $cm);
        }

        return $users;
    }