WordPress at a glance
filter is not described

update_welcome_email filter-hook . WP MU

Filters the content of the welcome email after site activation.

Content should be formatted for transmission via wp_mail().

Usage

add_filter( 'update_welcome_email', 'filter_function_name_4747', 10, 6 );
function filter_function_name_4747( $welcome_email, $blog_id, $user_id, $password, $title, $meta ){
	// filter...

	return $welcome_email;
}
$welcome_email(string)
Message body of the email.
$blog_id(int)
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 1594
$welcome_email = apply_filters( 'update_welcome_email', $welcome_email, $blog_id, $user_id, $password, $title, $meta );

Where the hook is used (in WP core)

Does not used.