Piwik\Plugin\Manager::unloadPluginFromMemory PHP Method

    private function unloadPluginFromMemory($pluginName)
    {
        $this->unloadPlugin($pluginName);
        $key = array_search($pluginName, $this->pluginsToLoad);
        if ($key !== false) {
            unset($this->pluginsToLoad[$key]);
        }
    }