host = $host; $host->add_hook($host::HOOK_SANITIZE, $this); } function hook_sanitize($doc, $site_url, $allowed_elements, $disallowed_attributes) { $allowed_elements = array_diff($allowed_elements, array("iframe")); return array($doc, $allowed_elements, $disallowed_attributes); } function api_version() { return 2; } } ?>