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Date: Fri, 12 Dec 2014 16:13:27 +0000
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To: Thomas Bley <mails@thomasbley.de>
Subject: Re: [PHP-DEV] [RFC] Nullsafe calls
From: ajf@ajf.me (Andrea Faulds)

Hi Thomas,

> On 12 Dec 2014, at 15:42, Thomas Bley <mails@thomasbley.de> wrote:
>=20
> 1) I think it would be better to have ObjectSafe Calls, e.g.
>=20
> class User {
>  ...
>  public function delete() {
>    // delete ...
>  }
> }
> class Users {
>  public function find($id) {
>    if ($this->db->query(...)) return new User($id);
>    return 'not found';
>  }
> }
>=20
> $users =3D new Users();
> $result =3D $users->find(42)?->delete(); // $result =3D 'not found';
>=20
> That way we can use scalars as return for further processing.
>=20
> Definition:
> Calling $obj?->foo(..) behaves identically to $obj->foo(..) if $obj is =
an object. If $obj is not an $object, then it returns $obj.

This would prevent adding methods for scalars or arrays in future, so I =
don=92t like it.

Thanks.
--
Andrea Faulds
http://ajf.me/