link_category

Filter Hook: Filters the OPML outline link category name.

Source: wp-links-opml.php:58

link_title

Filter Hook: Filters the OPML outline link title text.

Source: wp-links-opml.php:72

wp_widgets_init()

Function: Registers all of the default WordPress widgets on startup.

Source: wp-includes/widgets.php:1438

widgets_init

Action Hook: Fires after all default WordPress widgets have been registered.

Source: wp-includes/widgets.php:1484

wp_get_sidebars_widgets()

Function: Retrieve full list of sidebars and their widget instance IDs.

Source: wp-includes/widgets.php:886

is_active_widget()

Function: Whether widget is displayed on the front end.

Source: wp-includes/widgets.php:795

is_dynamic_sidebar()

Function: Whether the dynamic sidebar is enabled and used by theme.

Source: wp-includes/widgets.php:829