wp-includes/class-wp-customize-widgets.php:1387Tallies the sidebars rendered via is_active_sidebar().
$is_activebool$sidebar_idstringbool public function tally_sidebars_via_is_active_sidebar_calls( $is_active, $sidebar_id ) { if ( is_registered_sidebar( $sidebar_id ) ) { $this->rendered_sidebars[ $sidebar_id ] = true; } /* * We may need to force this to true, and also force-true the value * for 'dynamic_sidebar_has_widgets' if we want to ensure that there * is an area to drop widgets into, if the sidebar is empty. */ return $is_active; }Introduced in 3.9.0. Unchanged from 6.7.7 through 7.1.0.
Signature, return type and hooks compared across 5 parsed releases.
src/wp-includes/class-wp-customize-widgets.php, and regenerated for each WordPress release so it tracks the code rather than a snapshot of it.