(array)data { Data for the new site that should be inserted. @type string $domain Site domain. Default empty string. @type string $path Site path. Default '/'. @type int $network_id The site's network ID. Default is the current network ID. @type string $registered When the site was registered, in SQL datetime format. Default is the current time. @type string $last_updated When the site was last updated, in SQL datetime format. Default is the value of $registered. @type int $public Whether the site is public. Default 1. @type int $archived Whether the site is archived. Default 0. @type int $mature Whether the site is mature. Default 0. @type int $spam Whether the site is spam. Default 0. @type int $deleted Whether the site is deleted. Default 0. @type int $lang_id The site's language ID. Currently unused. Default 0. @type int $user_id User ID for the site administrator. Passed to the `wp_initialize_site` hook. @type string $title Site title. Default is 'Site %d' where %d is the site ID. Passed to the `wp_initialize_site` hook. @type array $options Custom option $key => $value pairs to use. Default empty array. Passed to the `wp_initialize_site` hook. @type array $meta Custom site metadata $key => $value pairs to use. Default empty array. Passed to the `wp_initialize_site` hook. }
Returns:
(int|WP_Error) The new site's ID on success, or error object on failure.