protected function executeSetWorld(CommandSender $sender, $level, $setting, $value)
    {
        $msg = null;

        $worldManager = PvPCore::getWorldHandler();

        if ($worldManager->isWorld($level)) {

            $hasUpdated = false;
            $updatedVal = "None";

            switch ($setting) {
                case "kb":
                case "knockback":
                    $updatedVal = "knockback";
                    $value = floatval($value);
                    break;
                case "delay":
                case "attackdelay":
                    $updatedVal = "attack-delay";
                    $value = intval($value);
                    break;
                default:
            }

            $world = $worldManager->getWorld($level);

            if ($updatedVal !== "None") {

                if ($updatedVal === "attack-delay" and PvPCore::canParse($value, true)) {
                    $world = $world->setAttackDelayTime($value);
                    $hasUpdated = true;
                }
                if ($updatedVal === "knockback" and PvPCore::canParse($value, false)) {
                    $world = $world->setKB($value);
                    $hasUpdated = true;
                }
            }

            if ($hasUpdated === true) {
                $worldManager->updateWorld($world);
                $msg = TextFormat::GREEN . "The level '{$level}' has been successfully updated!";
            } else {
                $msg = TextFormat::RED . "The level '{$level}' failed to update!";
            }

        } else $msg = TextFormat::RED . "Level '{$level}' does not exist!";

        if($msg !== null){
            $sender->sendMessage($msg);
        }

    }