Piwik\Plugin\Manager::updatePluginsConfig PHP Method

    private function updatePluginsConfig($pluginsToLoad)
    {
        $pluginsToLoad = $this->pluginList->sortPlugins($pluginsToLoad);
        $section = PiwikConfig::getInstance()->Plugins;
        $section['Plugins'] = $pluginsToLoad;
        PiwikConfig::getInstance()->Plugins = $section;
    }