admin_created_user_email()

admin_created_user_email( string $text ): string

function admin_created_user_email( $text ) {
	$roles = get_editable_roles();
	$role  = $roles[ $_REQUEST['role'] ];

	if ( '' !== get_bloginfo( 'name' ) ) {
		$site_title = wp_specialchars_decode( get_bloginfo( 'name' ), ENT_QUOTES );
	} else {
		$site_title = parse_url( home_url(), PHP_URL_HOST );
	}

	return sprintf(
		/* translators: 1: Site title, 2: Site URL, 3: User role. */
		__(
			'Hi,
You\'ve been invited to join \'%1$s\' at
%2$s with the role of %3$s.
If you do not want to join this site please ignore
this email. This invitation will expire in a few days.

Please click the following link to activate your user account:
%%s'
		),
		$site_title,
		home_url(),
		wp_specialchars_decode( translate_user_role( $role['name'] ) )
	);
}