public function admin_sidebar()
{
// No banners in Premium.
if (class_exists('WPSEO_Product_Premium')) {
$license_manager = new Yoast_Plugin_License_Manager(new WPSEO_Product_Premium());
if ($license_manager->license_is_valid()) {
return;
}
}
$sidebar_renderer = new WPSEO_Admin_Banner_Sidebar_Renderer(new WPSEO_Admin_Banner_Spot_Renderer());
$banner_renderer = new WPSEO_Admin_Banner_Renderer();
$banner_renderer->set_base_path(plugins_url('images/banner/', WPSEO_FILE));
$sidebar = new WPSEO_Admin_Banner_Sidebar(sprintf('%1s recommendations', 'Yoast'), $banner_renderer);
$sidebar->initialize(new WPSEO_Features());
echo $sidebar_renderer->render($sidebar);
}