WP_REST_Revisions_Controller::get_item() WordPress Method

	public function get_item( $request ) {
		$parent = $this->get_parent( $request['parent'] );
		if ( is_wp_error( $parent ) ) {
			return $parent;
		}

		$revision = $this->get_revision( $request['id'] );
		if ( is_wp_error( $revision ) ) {
			return $revision;
		}

		$response = $this->prepare_item_for_response( $revision, $request );
		return rest_ensure_response( $response );
	}