kartik\social\GooglePlugin::registerAssets PHP Method

    protected function registerAssets()
    {
        $view = $this->getView();
        $view->registerJsFile('https://apis.google.com/js/platform.js', ['position' => View::POS_HEAD, 'async' => true, 'defer' => true]);
        $view->registerJs("\nwindow.___gcfg={lang:'{$this->language}'};\n", View::POS_HEAD);
    }