Fires early before the Widgets administration screen loads, after scripts are enqueued.
wp-admin/includes/ajax-actions.php:2376wp_ajax_save_widget()wp-admin/includes/ajax-actions.php:2480wp_ajax_delete_inactive_widgets()wp-admin/widgets-form-blocks.php:86file scopewp-admin/widgets-form.php:38file scopewp-includes/class-wp-customize-widgets.php:342WP_Customize_Widgets::customize_controls_init()wp-includes/class-wp-customize-widgets.php:1723WP_Customize_Widgets::wp_ajax_update_widget()/** * Fires early before the Widgets administration screen loads, * after scripts are enqueued. * * @since 2.2.0 */do_action( 'sidebar_admin_setup' ); get_current_screen()->add_help_tab( array( 'id' => 'overview', 'title' => __( 'Overview' ), 'content' =>Introduced in 2.2.0. Unchanged from 6.7.7 through 7.1.0.
Signature, return type and hooks compared across 5 parsed releases.