public function add_idnumber($idnumber) {
        global $DB;
        if (!empty($this->idnumber)) {
            return false;
        }

        if ($this->itemtype == 'mod' and !$this->is_outcome_item()) {
            if ($this->itemnumber == 0) {
                // for activity modules, itemnumber 0 is synced with the course_modules
                if (!$cm = get_coursemodule_from_instance($this->itemmodule, $this->iteminstance, $this->courseid)) {
                    return false;
                }
                if (!empty($cm->idnumber)) {
                    return false;
                }
                $DB->set_field('course_modules', 'idnumber', $idnumber, array('id' => $cm->id));
                $this->idnumber = $idnumber;
                return $this->update();
            } else {
                $this->idnumber = $idnumber;
                return $this->update();
            }

        } else {
            $this->idnumber = $idnumber;
            return $this->update();
        }
    }
public function add_idnumber($idnumber) {
        global $DB;
        if (!empty($this->idnumber)) {
            return false;
        }

        if ($this->itemtype == 'mod' and !$this->is_outcome_item()) {
            if ($this->itemnumber == 0) {
                // for activity modules, itemnumber 0 is synced with the course_modules
                if (!$cm = get_coursemodule_from_instance($this->itemmodule, $this->iteminstance, $this->courseid)) {
                    return false;
                }
                if (!empty($cm->idnumber)) {
                    return false;
                }
                $DB->set_field('course_modules', 'idnumber', $idnumber, array('id' => $cm->id));
                $this->idnumber = $idnumber;
                return $this->update();
            } else {
                $this->idnumber = $idnumber;
                return $this->update();
            }

        } else {
            $this->idnumber = $idnumber;
            return $this->update();
        }
    }
public function add_idnumber ( $ idnumber ) { global $ DB ; if ( ! empty ( $ this -> idnumber ) ) { return false ; } if ( $ this -> itemtype == 'mod' and ! $ this -> is_outcome_item ( ) ) { if ( $ this -> itemnumber == 0 ) { // for activity modules, itemnumber 0 is synced with the course_modules if ( ! $ cm = get_coursemodule_from_instance ( $ this -> itemmodule , $ this -> iteminstance , $ this -> courseid ) ) { return false ; } if ( ! empty ( $ cm -> idnumber ) ) { return false ; } $ DB -> set_field ( 'course_modules' , 'idnumber' , $ idnumber , array ( 'id' => $ cm -> id ) ) ; $ this -> idnumber = $ idnumber ; return $ this -> update ( ) ; } else { $ this -> idnumber = $ idnumber ; return $ this -> update ( ) ; } } else { $ this -> idnumber = $ idnumber ; return $ this -> update ( ) ; } }
Set idnumber of grade item, updates also course_modules table

@param string $idnumber (without magic quotes)
@return bool success
Set idnumber of grade item updates also course_modules table