chamilo / chamilo-lms

            $sql = "SELECT * FROM $group_table

                    WHERE c_id = ".$_course['real_id']." AND id = '$gidReq'";

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

            if (Database::num_rows($result) > 0) { // This group has recorded status related to this course

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

                $_gid = $gpData ['id'];

                Session::write('_gid', $_gid);

            }

        }

    }

}

    $result = Database::query($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;

                  poster_id = ".intval($user_id)." AND visible = 1 ";

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

    $count = 0;

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

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

        $count = $count['count'];

    }

    return $count;

}