function test($ns, $prompt, $param, $default = null, $validator = null, $sanitizer = null) { static $cx = null; if (is_null($cx)) { $cx = new CX(); } echo "<dt>Get {$param} with {$prompt}: </dt><dd>"; try { print_r($cx->ns($ns)->getValue($param, $default, $validator, $sanitizer)); } catch (Exception $e) { echo $e->getMessage(); } echo '</dd>'; }