wp-includes/rest-api/endpoints/class-wp-rest-sidebars-controller.php:121Retrieves the list of sidebars (active or inactive).
$requestWP_REST_RequestWP_REST_Response public function get_items( $request ) { if ( $request->is_method( 'HEAD' ) ) { // Return early as this handler doesn't add any response headers. return new WP_REST_Response( array() ); } $this->retrieve_widgets(); $data = array(); $permissions_check = $this->do_permissions_check(); foreach ( wp_get_sidebars_widgets() as $id => $widgets ) { $sidebar = $this->get_sidebar( $id ); if ( ! $sidebar ) { continue; } if ( is_wp_error( $permissions_check ) && ! $this->check_read_permission( $sidebar ) ) { continue; } $data[] = $this->prepare_response_for_collection( $this->prepare_item_for_response( $sidebar, $request ) ); } return rest_ensure_response( $data ); }Introduced in 5.8.0. Unchanged from 6.7.7 through 7.1.0.
Signature, return type and hooks compared across 5 parsed releases.
src/wp-includes/rest-api/endpoints/class-wp-rest-sidebars-controller.php, and regenerated for each WordPress release so it tracks the code rather than a snapshot of it.