--TEST-- ReflectionClass::isUserDefined() --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->isUserDefined(), $r2->isUserDefined(), $r3->isUserDefined(), $r4->isUserDefined(), $r5->isUserDefined()); ?> --EXPECTF-- bool(false) bool(false) bool(false) bool(false) bool(true)