public static function create_category($component, $area, $itemid) {
        $params = self::validate_parameters(self::create_category_parameters(),
            ['component' => $component, 'area' => $area, 'itemid' => $itemid]);

        $handler = \core_customfield\handler::get_handler($params['component'], $params['area'], $params['itemid']);
        self::validate_context($handler->get_configuration_context());
        if (!$handler->can_configure()) {
            throw new moodle_exception('nopermissionconfigure', 'core_customfield');
        }
        return $handler->create_category();
    }
public static function create_category($component, $area, $itemid) {
        $params = self::validate_parameters(self::create_category_parameters(),
            ['component' => $component, 'area' => $area, 'itemid' => $itemid]);

        $handler = \core_customfield\handler::get_handler($params['component'], $params['area'], $params['itemid']);
        self::validate_context($handler->get_configuration_context());
        if (!$handler->can_configure()) {
            throw new moodle_exception('nopermissionconfigure', 'core_customfield');
        }
        return $handler->create_category();
    }
public static function create_category ( $ component , $ area , $ itemid ) { $ params = self :: validate_parameters ( self :: create_category_parameters ( ) , [ 'component' => $ component , 'area' => $ area , 'itemid' => $ itemid ] ) ; $ handler = \ core_customfield \ handler :: get_handler ( $ params [ 'component' ] , $ params [ 'area' ] , $ params [ 'itemid' ] ) ; self :: validate_context ( $ handler -> get_configuration_context ( ) ) ; if ( ! $ handler -> can_configure ( ) ) { throw new moodle_exception ( 'nopermissionconfigure' , 'core_customfield' ) ; } return $ handler -> create_category ( ) ; }
Create category function

@param string $component
@param string $area
@param int    $itemid
@return mixed
Create category function