chamilo / chamilo-lms

            $res2 = Database::query($sql2);

            if (Database::num_rows($res2) > 0) {

                $row2 = Database::fetch_array($res2);

                $pub = $row2['visibility'];

            } else {

                $pub = 'i';

            }

            // Check if visible.

            $vis = api_get_item_visibility(

    $result = Database::query($sql);

    if (Database::num_rows($result) > 0) {

        $visibility = Database::fetch_array($result);

        $visibility = $visibility['visibility'];

    } else {

        $visibility = 0;

    }

    // Shortcut permissions in case the visibility is "open to the world".

    if ($visibility === COURSE_VISIBILITY_OPEN_WORLD) {

        return true;