wp_update_site( int $site_id, array $data ): int|WP_Error

159function wp_update_site( $site_id, array $data ) {160	global $wpdb;161 162	if ( empty( $site_id ) ) {163		return new WP_Error( 'site_empty_id', __( 'Site ID must not be empty.' ) );164	}165 166	$old_site = get_site( $site_id );167	if ( ! $old_site ) {168		return new WP_Error( 'site_not_exist', __( 'Site does not exist.' ) );169	}170 171	$defaults                 = $old_site->to_array();172	$defaults['network_id']   = (int) $defaults['site_id'];173	$defaults['last_updated'] = current_time( 'mysql', true );174	unset( $defaults['blog_id'], $defaults['site_id'] );175 176	$data = wp_prepare_site_data( $data, $defaults, $old_site );177	if ( is_wp_error( $data ) ) {178		return $data;179	}180 181	if ( false === $wpdb->update( $wpdb->blogs, $data, array( 'blog_id' => $old_site->id ) ) ) {182		return new WP_Error( 'db_update_error', __( 'Could not update site in the database.' ), $wpdb->last_error );183	}184 185	clean_blog_cache( $old_site );186 187	$new_site = get_site( $old_site->id );188 189	/**190	 * Fires once a site has been updated in the database.191	 *192	 * @since 5.1.0193	 *194	 * @param WP_Site $new_site New site object.195	 * @param WP_Site $old_site Old site object.196	 */197	do_action( 'wp_update_site', $new_site, $old_site );198 199	return (int) $new_site->id;200}