--TEST-- ReflectionObject::IsInstantiable() - basic function test --FILE-- <?php class C { } interface iface { function f1(); } class ifaceImpl implements iface { function f1() {} } abstract class abstractClass { function f1() {} abstract function f2(); } class D extends abstractClass { function f2() {} } $classes = array("C", "ifaceImpl", "D"); foreach($classes as $class ) { $ro = new ReflectionObject(new $class); echo "Is $class instantiable? "; var_dump($ro->IsInstantiable()); } ?> --EXPECTF-- Is C instantiable? bool(true) Is ifaceImpl instantiable? bool(true) Is D instantiable? bool(true)