Fires before a widget’s display callback is called.

Note: The action fires on both the front end and back end, including for widgets in the Inactive Widgets sidebar on the Widgets screen.

The action is not fired for empty sidebars.

$widget array

An associative array of widget arguments.

• namestring
  Name of the widget.
• idstring
  Widget ID.
• callbackcallable
  When the hook is fired on the front end, $callback is an array containing the widget object. Fired on the back end, $callback is 'wp_widget_control', see $_callback.
• paramsarray
  An associative array of multi-widget arguments.
• classnamestring
  CSS class applied to the widget container.
• descriptionstring
  The widget description.
• _callbackarray
  When the hook is fired on the back end, $_callback is populated with an array containing the widget object, see $callback.

File: wp-includes/widgets.php. View all references

do_action( 'dynamic_sidebar', $wp_registered_widgets[ $id ] );