WordPress at a glance
filter is not described

wpmu_welcome_notification filter-hook . WP MU

Filters whether to bypass the welcome email after site activation.

Returning false disables the welcome email.

Usage

add_filter( 'wpmu_welcome_notification', 'filter_function_name_3970', 10, 5 );
function filter_function_name_3970( $blog_id, $user_id, $password, $title, $meta ){
	// filter...

	return $blog_id;
}
$blog_id(int/true/false)
Blog ID.
$user_id(int)
User ID.
$password(string)
User password.
$title(string)
Site title.
$meta(array)
Signup meta data. By default, contains the requested privacy setting and lang_id.

Notes

  • Since MU (3.0.0)

Where the hook is called

wpmu_welcome_notification()
wp-includes/ms-functions.php 1546
if ( ! apply_filters( 'wpmu_welcome_notification', $blog_id, $user_id, $password, $title, $meta ) )

Where the hook is used (in WP core)

Does not used.