WordPress Code Reference

wpmu_new_blog

Deprecated Deprecated

This hook has been deprecated. Use ‘wp_insert_site’ instead.

Fires immediately after a new site is created.

do_action_deprecated( 'wpmu_new_blog', int $site_id, int $user_id, string $domain, string $path, int $network_id, array $meta )

$site_id: (int) Site ID.
$user_id: (int) User ID.
$domain: (string) Site domain.
$path: (string) Site path.
$network_id: (int) Network ID. Only relevant on multi-network installations.
$meta: (array) Meta data. Used to set initial site options.

Changelog
Version	Description
5.1.0	Use 'wp_insert_site' instead.
MU (3.0.0)	Introduced.