Newsgroups: php.internals Path: news.php.net Xref: news.php.net php.internals:93537 Return-Path: Mailing-List: contact internals-help@lists.php.net; run by ezmlm Delivered-To: mailing list internals@lists.php.net Received: (qmail 54169 invoked from network); 25 May 2016 21:38:29 -0000 Received: from unknown (HELO lists.php.net) (127.0.0.1) by localhost with SMTP; 25 May 2016 21:38:29 -0000 Authentication-Results: pb1.pair.com header.from=php@fleshgrinder.com; sender-id=unknown Authentication-Results: pb1.pair.com smtp.mail=php@fleshgrinder.com; spf=permerror; sender-id=unknown Received-SPF: error (pb1.pair.com: domain fleshgrinder.com from 77.244.243.85 cause and error) X-PHP-List-Original-Sender: php@fleshgrinder.com X-Host-Fingerprint: 77.244.243.85 mx104.easyname.com Received: from [77.244.243.85] ([77.244.243.85:35251] helo=mx206.easyname.com) by pb1.pair.com (ecelerity 2.1.1.9-wez r(12769M)) with ESMTP id 83/8E-14311-55B16475 for ; Wed, 25 May 2016 17:38:29 -0400 Received: from cable-81-173-133-15.netcologne.de ([81.173.133.15] helo=[192.168.178.20]) by mx.easyname.com with esmtpsa (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.84_2) (envelope-from ) id 1b5gVM-0005Zc-Rx; Wed, 25 May 2016 21:38:17 +0000 Reply-To: internals@lists.php.net References: <7B.12.14311.F79C5475@pb1.pair.com> <1b12b09f-f190-dca0-51d9-468e9c571268@fleshgrinder.com> <20160525213546.D7EE41A801B3@dd1730.kasserver.com> To: Thomas Bley , ajf@ajf.me, internals@lists.php.net Cc: ocramius@gmail.com, bensor987@neuf.fr, me@kelunik.com, smalyshev@gmail.com Message-ID: <47e96142-6678-0da5-e1d1-94a97c1ad492@fleshgrinder.com> Date: Wed, 25 May 2016 23:38:13 +0200 User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:45.0) Gecko/20100101 Thunderbird/45.1.0 MIME-Version: 1.0 In-Reply-To: <20160525213546.D7EE41A801B3@dd1730.kasserver.com> Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="f6HQo6unD1SgFVkevhIqLergqFvHvc2uw" X-ACL-Warn: X-DNSBL-BARRACUDACENTRAL Subject: Re: [PHP-DEV] [RFC][Vote] Typed Properties From: php@fleshgrinder.com (Fleshgrinder) --f6HQo6unD1SgFVkevhIqLergqFvHvc2uw Content-Type: multipart/mixed; boundary="RgprQucJ16P6MXbtQrc4g26JHQTL4dnMM" From: Fleshgrinder Reply-To: internals@lists.php.net To: Thomas Bley , ajf@ajf.me, internals@lists.php.net Cc: ocramius@gmail.com, bensor987@neuf.fr, me@kelunik.com, smalyshev@gmail.com Message-ID: <47e96142-6678-0da5-e1d1-94a97c1ad492@fleshgrinder.com> Subject: Re: [PHP-DEV] [RFC][Vote] Typed Properties References: <7B.12.14311.F79C5475@pb1.pair.com> <1b12b09f-f190-dca0-51d9-468e9c571268@fleshgrinder.com> <20160525213546.D7EE41A801B3@dd1730.kasserver.com> In-Reply-To: <20160525213546.D7EE41A801B3@dd1730.kasserver.com> --RgprQucJ16P6MXbtQrc4g26JHQTL4dnMM Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: quoted-printable On 5/25/2016 11:35 PM, Thomas Bley wrote: > Following "Type safety is the goal of this RFC, not validating objects.= ", it would be better to do implicit casting for uninitialized properties= (whenever implicit casting is possible) or use null for nullable types: >=20 > class A { > public int $x; > public ?int $y =3D null; > public int $z =3D 42; > public ?int $u; > public ?datetime $v; > public datetime $w; > } >=20 > $a =3D new A; > var_dump($a->x); // 0 + notice > var_dump($a->y); // null > var_dump($a->z); // 42 > unset($a->z); > var_dump($a->z); // 0 + notice > var_dump($a->u); // null + notice > var_dump($a->v); // null + notice > var_dump($a->w); // Fatal error, uninitialized... >=20 This was proposed many times but it renders checks whether something was initialized or not completely useless and is not really a solution to the problem at hand. --=20 Richard "Fleshgrinder" Fussenegger --RgprQucJ16P6MXbtQrc4g26JHQTL4dnMM-- --f6HQo6unD1SgFVkevhIqLergqFvHvc2uw Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- Version: GnuPG v2 iQIcBAEBCAAGBQJXRhtIAAoJEOKkKcqFPVVrmRQP/jVMf7jUXBBy+6kjYwxA/Pk5 m4nsxuoNkc7hZxT/i3oqJ0ft656UBaF6OL25JygF9j6sjMF1rlPBI6ubHYWfu4fB xGq9Dx5KSZm6FmvFf/w0E2lSzXFezauXuxj/NmWRHRcb/wP0eRmw3ctPCLxS92XT 4iOM2bRssfcHmliim8yuKY4NK2dz51dA8XrpiYJYGfQkwaFX57ZtnHmF4A5ovNSh AiJ1ym8H7sTn56ElKI6aBsIq76W7FBfGgKRBNjc1VTFf23J8TrVAMEE5ArTqxxF5 v4IwbmiPkwLSUll0aOJQVfaDA6FMJsd10BhREp8xOU+jKK384xT8FuLuXd42z4RJ 34j5XZ/6zBMtZmKw9ovZUzHbC5iUqOoJpSuFCjc7TW21TW9v9sZz5t+AZ7lqKF44 wXIDQVybNh2GLtSSPUt59dHF+daneCyXif+DTfVnLCIHU9ot4JtyF3lUpyRrpU6u SKsf8klVyAC63PDxKmO1XZJyNvRUCMAT4SmICZqzN90Tghfekx5JWCDOUjM0DhZv YF6wJYFJSs8NBtminG+ly1DU65EBkxzZYHzrHJjWhbpw4bgrKhkIfIbFt8eRTyFN OcFKLYo3lYY0BvS+vBcwApz22dryP+fh6ZmEv0kAK+rW0o9PcQBQnGZDnjGk7meO L5/KVJWu6lmiKt8vzQx5 =391p -----END PGP SIGNATURE----- --f6HQo6unD1SgFVkevhIqLergqFvHvc2uw--