Re: Extending SplDoublyLinkedList with specific child types and avoiding strict notices

On Mon, 2017-03-20 at 13:21 -0600, Ryan Pallas wrote: > I don't believe this is possible due to not being able to narrow type > hints > for arguments in extended classes. However, you could just remove the > typehint, and check yourself, something like: > >         public class push($item) >         { >                 if (!($item instanceof > SpecificChildTypeClass::class)) >                     throw new TypeError(sprintf( >                         'Argument 1 passed to %s::push() must be > of > the > type %s, %s given', >                        static::class, >                        SpecificChildTypeClass::class, >                        gettype($item) != 'object' ? > gettype($item) : > get_class($item) >                     )); >                 parent::push($item); >         } > > That's what I was afraid of. It's annoying, but understandable given how it's implemented. I might look then at implementing a custom iterator, as that might better suit my needs here. Thanks, Ash http://www.ashleysheridan.co.uk