How are Dynamic Sidebar Widgets rendered
That action is just there in case a plugin or theme wants to do something before sidebars are rendered. The code you’re looking for is in widgets.php, just before and just after that action: $callback = $wp_registered_widgets[$id][‘callback’]; do_action( ‘dynamic_sidebar’, $wp_registered_widgets[$id] ); if ( is_callable($callback) ) { call_user_func_array($callback, $params); $did_one = true; } In the wp_register_sidebar_widget() … Read more