--TEST-- Lazy objects: property fetch of dynamic property initializes object --FILE-- dynamic); var_dump($obj); } $reflector = new ReflectionClass(C::class); $obj = $reflector->newLazyGhost(function ($obj) { var_dump("initializer"); $obj->__construct(); }); test('Ghost', $obj); $obj = $reflector->newLazyProxy(function ($obj) { var_dump("initializer"); return new C(); }); test('Proxy', $obj); --EXPECTF-- # Ghost: lazy ghost object(C)#%d (0) { ["a"]=> uninitialized(int) } string(11) "initializer" string(14) "C::__construct" NULL object(C)#%d (0) { ["a"]=> uninitialized(int) } # Proxy: lazy proxy object(C)#%d (0) { ["a"]=> uninitialized(int) } string(11) "initializer" string(14) "C::__construct" NULL lazy proxy object(C)#%d (1) { ["instance"]=> object(C)#%d (0) { ["a"]=> uninitialized(int) } }