retrieve_widgets()
Function: Validates and remaps any “orphaned” widgets to wp_inactive_widgets sidebar, and saves the widget settings. This has to run at least on each theme change.
Source: wp-includes/widgets.php:1313
dynamic_sidebar_has_widgets
Filter Hook: Filters whether a sidebar has widgets.
Source: wp-includes/widgets.php:870
is_active_widget()
Function: Determines whether a given widget is displayed on the front end.
Source: wp-includes/widgets.php:904
is_dynamic_sidebar()
Function: Determines whether the dynamic sidebar is enabled and used by the theme.
Source: wp-includes/widgets.php:943
is_active_sidebar()
Function: Determines whether a sidebar contains widgets.
Source: wp-includes/widgets.php:973
is_active_sidebar
Filter Hook: Filters whether a dynamic sidebar is considered “active”.
Source: wp-includes/widgets.php:987
wp_get_sidebars_widgets()
Function: Retrieve full list of sidebars and their widget instance IDs.
Source: wp-includes/widgets.php:1009
sidebars_widgets
Filter Hook: Filters the list of sidebars and their widgets.
Source: wp-includes/widgets.php:1039
wp_set_sidebars_widgets()
Function: Set the sidebar widget option to update sidebars.
Source: wp-includes/widgets.php:1080
dynamic_sidebar_after
Action Hook: Fires after widgets are rendered in a dynamic sidebar.
Source: wp-includes/widgets.php:856