CAllUser::getLogoutParams

static function getLogoutParams($deleteParms = [])
{
	$logout = 'logout=yes';

	if (Option::get('main', 'secure_logout', 'N') == 'Y')
	{
		$logout .= '&' . bitrix_sessid_get();
	}

	if ($deleteParms !== true)
	{
		if (($s = DeleteParam(array_merge($deleteParms, ["logout", "sessid"]))) != '')
		{
			$logout .= '&' . $s;
		}
	}

	return $logout;
}