--TEST-- Ensure ReflectionClass::implementsInterface triggers autoload. --SKIPIF-- <?php extension_loaded('reflection') or die('skip'); ?> --FILE-- <?php function __autoload($name) { echo "In autoload: "; var_dump($name); } $rc = new ReflectionClass("stdClass"); try { $rc->implementsInterface("UndefI"); } catch (ReflectionException $e) { echo $e->getMessage(); } ?> --EXPECTF-- In autoload: string(6) "UndefI" Interface UndefI does not exist