Eccube\Service\PluginService::enable PHP Method

    public function enable(\Eccube\Entity\Plugin $plugin, $enable = true)
    {
        $em = $this->app['orm.em'];
        try {
            $this->app->removePluginConfigCache();
            Cache::clear($this->app, false);
            $pluginDir = $this->calcPluginDir($plugin->getCode());
            $em->getConnection()->beginTransaction();
            $plugin->setEnable($enable ? Constant::ENABLED : Constant::DISABLED);
            $em->persist($plugin);
            $this->callPluginManagerMethod(Yaml::parse(file_get_contents($pluginDir . '/' . self::CONFIG_YML)), $enable ? 'enable' : 'disable');
            $em->flush();
            $em->getConnection()->commit();
            $this->app->writePluginConfigCache();
        } catch (\Exception $e) {
            $em->getConnection()->rollback();
            throw $e;
        }
        return true;
    }