wp_new_user_notification_email filter-hook . WP 4.9.0

Filters the contents of the new user notification email sent to the new user.

Usage

add_filter( 'wp_new_user_notification_email', 'filter_function_name_4009', 10, 3 );
function filter_function_name_4009( $wp_new_user_notification_email, $user, $blogname ){
	// filter...

	return $wp_new_user_notification_email;
}

$wp_new_user_notification_email(array)

Used to build wp_mail().

• $to (string)
  The intended recipient - New user email address.

• $subject (string)
  The subject of the email.

• $message (string)
  The body of the email.

• $headers (string)
  The headers of the email.

$user(WP_User)

User object for new user.

$blogname(string)

The site title.

Where the hook is called

$wp_new_user_notification_email = apply_filters( 'wp_new_user_notification_email', $wp_new_user_notification_email, $user, $blogname );

Where the hook is used (in WP core)