Widgets (sidebars) (category)
| dynamic_sidebar() | Displays the first active widget panel (sidebar - a panel that has at least one widget). You can specify the ID or number of the panel to display if there is more than one widget panel on the site. |
| is_active_sidebar() | Whether a sidebar is in use. |
| is_active_widget() | Defines whether the specified widget is displayed on the site (on the frontend). It gets the ID of the panel in which the widget is located. |
| is_dynamic_sidebar() | Whether the dynamic sidebar is enabled and used by theme. |
| is_registered_sidebar() | Checks if a sidebar is registered. |
| register_sidebar() | Builds the definition for a single sidebar and returns the ID. |
| register_sidebars() | Creates multiple sidebars. |
| register_widget() | Registers (creates) a widget. |
| the_widget() | Output an arbitrary widget as a template tag. |
| unregister_sidebar() | Removes a sidebar from the list. |
| unregister_widget() | Unregisters a widget. |
| wp_get_sidebar() | Retrieves the registered sidebar with the given ID. |
| wp_get_sidebars_widgets() | Retrieve full list of sidebars and their widget instance IDs. |
| wp_register_sidebar_widget() | Register an instance of a widget. |
| wp_register_widget_control() | Registers widget control callback for customizing options. |
| wp_unregister_sidebar_widget() | Unregisters (removes) a widget by its ID. |
| wp_widgets_init() | Registers all of the default WordPress widgets on startup. |