wp-includes/rest-api/endpoints/class-wp-rest-widgets-controller.php:753Prepares links for the widget.
$preparedarrayarray protected function prepare_links( $prepared ) { $id_base = ! empty( $prepared['id_base'] ) ? $prepared['id_base'] : $prepared['id']; return array( 'self' => array( 'href' => rest_url( sprintf( '%s/%s/%s', $this->namespace, $this->rest_base, $prepared['id'] ) ), ), 'collection' => array( 'href' => rest_url( sprintf( '%s/%s', $this->namespace, $this->rest_base ) ), ), 'about' => array( 'href' => rest_url( sprintf( 'wp/v2/widget-types/%s', $id_base ) ), 'embeddable' => true, ), 'https://api.w.org/sidebar' => array( 'href' => rest_url( sprintf( 'wp/v2/sidebars/%s/', $prepared['sidebar'] ) ), ), ); }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-widgets-controller.php, and regenerated for each WordPress release so it tracks the code rather than a snapshot of it.