public function head($vars) { $redirect = self::check_redirect(); if ($redirect) { $return_html = "<script>window.location.replace('" . self::$landing . "');</script>"; } else { $return_html = '<script src="' . AC_WHMCSe::get_module_url('affcoupons') . '/inc/js/affiliates.js"></script>'; $return_html .= '<input type="hidden" id="index_page" value="' . parent::$index_page . '">'; $return_html .= '<input type="hidden" id="script_name" value="' . $vars['SCRIPT_NAME'] . '">'; } return $return_html; }