--TEST-- ReflectionClass::isInternal() --FILE-- <?php class C { } $r1 = new ReflectionClass("stdClass"); $r2 = new ReflectionClass("ReflectionClass"); $r3 = new ReflectionClass("ReflectionProperty"); $r4 = new ReflectionClass("Exception"); $r5 = new ReflectionClass("C"); var_dump($r1->isInternal(), $r2->isInternal(), $r3->isInternal(), $r4->isInternal(), $r5->isInternal()); ?> --EXPECTF-- bool(true) bool(true) bool(true) bool(true) bool(false)