WP_REST_Posts_Controller::get_item( WP_REST_Request $request ): WP_REST_Response|WP_Error

655	public function get_item( $request ) {656		$post = $this->get_post( $request['id'] );657		if ( is_wp_error( $post ) ) {658			return $post;659		}660 661		$data     = $this->prepare_item_for_response( $post, $request );662		$response = rest_ensure_response( $data );663 664		if ( is_post_type_viewable( get_post_type_object( $post->post_type ) ) ) {665			$response->link_header( 'alternate', get_permalink( $post->ID ), array( 'type' => 'text/html' ) );666		}667 668		return $response;669	}