Eccube\Service\PluginService::updatePlugin PHP Method

    public function updatePlugin(\Eccube\Entity\Plugin $plugin, $meta, $event_yml)
    {
        try {
            $em = $this->app['orm.em'];
            $em->getConnection()->beginTransaction();
            $plugin->setVersion($meta['version'])->setName($meta['name']);
            if (isset($meta['event'])) {
                $plugin->setClassName($meta['event']);
            }
            $rep = $this->app['eccube.repository.plugin_event_handler'];
            if (is_array($event_yml)) {
                foreach ($event_yml as $event => $handlers) {
                    foreach ($handlers as $handler) {
                        if (!$this->checkSymbolName($handler[0])) {
                            throw new PluginException('Handler name format error');
                        }
                        // updateで追加されたハンドラかどうか調べる
                        $peh = $rep->findBy(array('del_flg' => Constant::DISABLED, 'plugin_id' => $plugin->getId(), 'event' => $event, 'handler' => $handler[0], 'handler_type' => $handler[1]));
                        if (!$peh) {
                            // 新規にevent.ymlに定義されたハンドラなのでinsertする
                            $peh = new \Eccube\Entity\PluginEventHandler();
                            $peh->setPlugin($plugin)->setEvent($event)->setdelFlg(Constant::DISABLED)->setHandler($handler[0])->setHandlerType($handler[1])->setPriority($rep->calcNewPriority($event, $handler[1]));
                            $em->persist($peh);
                            $em->flush();
                        }
                    }
                }
                # アップデート後のevent.ymlで削除されたハンドラをdtb_plugin_event_handlerから探して削除
                foreach ($rep->findBy(array('del_flg' => Constant::DISABLED, 'plugin_id' => $plugin->getId())) as $peh) {
                    if (!isset($event_yml[$peh->getEvent()])) {
                        $em->remove($peh);
                        $em->flush();
                    } else {
                        $match = false;
                        foreach ($event_yml[$peh->getEvent()] as $handler) {
                            if ($peh->getHandler() == $handler[0] && $peh->getHandlerType() == $handler[1]) {
                                $match = true;
                            }
                        }
                        if (!$match) {
                            $em->remove($peh);
                            $em->flush();
                        }
                    }
                }
            }
            $em->persist($plugin);
            $this->callPluginManagerMethod($meta, 'update');
            $em->flush();
            $em->getConnection()->commit();
        } catch (\Exception $e) {
            $em->getConnection()->rollback();
            throw $e;
        }
    }