function get_content() {
        global $CFG, $DB;
        $courseid        = required_param('id', PARAM_INT);
        $grade_setting=$DB->get_records('grade_settings', array('courseid' => $courseid));
        $results = array();
        $new_array = array();
        $this->content = new stdClass;
        $this->content->footer = '';
         foreach ($grade_setting as $rows) {
                $results[]=
                [
                  'id' => $rows->id,
                 'courseid' => $rows->courseid,
                  $rows->name => $rows->value
                ];
                foreach ($results as $key => $value) {
                $new_array= array_merge($new_array,$value);
               }
            }
           foreach ($new_array as $key => $value) {
            echo $key. ":".$value;
      /*     var_dump($abc);*/
           };

              //$this->content->text


        return $this->content;
    }