/**
 * This function retrieves information of statistical
 * @param   int $thread_id
 * @param   int $user_id
 * @param   int $course_id
 *
 * @return  array the information of statistical
 * @author Jhon Hinojosa <*****@*****.**>,
 * @version octubre 2008, dokeos 1.8
 */
function get_statistical_information($thread_id, $user_id, $course_id)
{
    $result = array();
    $result['user_course'] = count_number_of_user_in_course($course_id);
    $result['post'] = count_number_of_post_in_thread($thread_id);
    $result['user_post'] = count_number_of_post_for_user_thread($thread_id, $user_id);
    return $result;
}
/**
 * This function retrieves information of statistical
 * @param   int Thread ID
 * @param   int User ID
 * @param   int Course ID
 * @return  array the information of statistical
 * @author Jhon Hinojosa <*****@*****.**>,
 * @version octubre 2008, dokeos 1.8
 */
function get_statistical_information($thread_id, $user_id, $course_id)
{
    $stadistic = array();
    $stadistic['user_course'] = count_number_of_user_in_course($course_id);
    $stadistic['post'] = count_number_of_post_in_thread($thread_id);
    $stadistic['user_post'] = count_number_of_post_for_user_thread($thread_id, $user_id);
    //$stadistic['average'] = get_average_of_thread_post_user();
    return $stadistic;
}