Newsgroups: php.internals Path: news.php.net Xref: news.php.net php.internals:93585 Return-Path: Mailing-List: contact internals-help@lists.php.net; run by ezmlm Delivered-To: mailing list internals@lists.php.net Received: (qmail 97104 invoked from network); 26 May 2016 20:00:25 -0000 Received: from unknown (HELO lists.php.net) (127.0.0.1) by localhost with SMTP; 26 May 2016 20:00:25 -0000 Authentication-Results: pb1.pair.com smtp.mail=php@fleshgrinder.com; spf=permerror; sender-id=unknown Authentication-Results: pb1.pair.com header.from=php@fleshgrinder.com; sender-id=unknown Received-SPF: error (pb1.pair.com: domain fleshgrinder.com from 77.244.243.88 cause and error) X-PHP-List-Original-Sender: php@fleshgrinder.com X-Host-Fingerprint: 77.244.243.88 mx107.easyname.com Received: from [77.244.243.88] ([77.244.243.88:50876] helo=mx203.easyname.com) by pb1.pair.com (ecelerity 2.1.1.9-wez r(12769M)) with ESMTP id 29/DE-17600-8D557475 for ; Thu, 26 May 2016 16:00:25 -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 1b61S9-0007i6-6N; Thu, 26 May 2016 20:00:21 +0000 Reply-To: internals@lists.php.net References: <20160525215208.034FC1A801B3@dd1730.kasserver.com> <5fd54aa0-4fdf-c1e7-eae8-765aa89c8498@fleshgrinder.com> <08963b03-8394-6d62-4e5b-393f3fcb5647@fleshgrinder.com> <9e9db70d-d72d-d93e-0c81-18c2aa228618@gmail.com> <409002d8-b5e3-5990-7358-246adc7e3cab@fleshgrinder.com> <57474A08.80807@lsces.co.uk> <6f7403b6-bf22-a12b-dfb2-43fe82983e7d@fleshgrinder.com> <57474F9C.6080104@lsces.co.uk> <1733cfce-001b-1079-e929-88f7dde0f2dd@gmail.com> To: Rowan Collins , internals@lists.php.net, Lester Caine Message-ID: <00252800-5370-0dc8-33ec-8e181b0d1658@fleshgrinder.com> Date: Thu, 26 May 2016 22:00:04 +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: <1733cfce-001b-1079-e929-88f7dde0f2dd@gmail.com> Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="Iv1tRsvErTfATlTrw2XuxQL7AJAQh0F38" X-ACL-Warn: X-DNSBL-BARRACUDACENTRAL Subject: Re: [PHP-DEV] [RFC][Vote] Typed Properties From: php@fleshgrinder.com (Fleshgrinder) --Iv1tRsvErTfATlTrw2XuxQL7AJAQh0F38 Content-Type: multipart/mixed; boundary="6RxJDh1fjthd9bIsBuLBQmq1tP8VHUXxp" From: Fleshgrinder Reply-To: internals@lists.php.net To: Rowan Collins , internals@lists.php.net, Lester Caine Message-ID: <00252800-5370-0dc8-33ec-8e181b0d1658@fleshgrinder.com> Subject: Re: [PHP-DEV] [RFC][Vote] Typed Properties References: <20160525215208.034FC1A801B3@dd1730.kasserver.com> <5fd54aa0-4fdf-c1e7-eae8-765aa89c8498@fleshgrinder.com> <08963b03-8394-6d62-4e5b-393f3fcb5647@fleshgrinder.com> <9e9db70d-d72d-d93e-0c81-18c2aa228618@gmail.com> <409002d8-b5e3-5990-7358-246adc7e3cab@fleshgrinder.com> <57474A08.80807@lsces.co.uk> <6f7403b6-bf22-a12b-dfb2-43fe82983e7d@fleshgrinder.com> <57474F9C.6080104@lsces.co.uk> <1733cfce-001b-1079-e929-88f7dde0f2dd@gmail.com> In-Reply-To: <1733cfce-001b-1079-e929-88f7dde0f2dd@gmail.com> --6RxJDh1fjthd9bIsBuLBQmq1tP8VHUXxp Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable On 5/26/2016 9:56 PM, Rowan Collins wrote: > The current proposal (or the one which I am advocating) for that is tha= t > you would have something like the following: >=20 > class Person { > public \DateTime $birth; > public ?\DateTime $marriage; > public ?\DateTime $death; > public int $numSiblings; > } >=20 > Creating an object would leave it in an invalid state: >=20 > $me =3D new Person; > // accessing $me->birth or $me->numSiblings is an error in this state, > because defaulting to NULL would violate their type constraint > // accessing $me->marriage or $me->death returns NULL (because they > allow nulls) but raises E_NOTICE >=20 > Now you can initialise the mandatory fields: >=20 > $me->birth =3D new \DateTime($db_record['birth_date']); > $me->marriage =3D new \DateTime($db_record['marriage_date']); > $me->death =3D new \DateTime($db_record['death_date']); > $me->numSiblings =3D $db_record['num_siblings']; > // all properties can now be safely accessed > // $me->marriage and $me->death may still be null, as indicated by the > "?" in their type spec > // $me->birth is guaranteed to be a \DateTime object >=20 > Regards, >=20 Nothing to add here. :) PS: This needs a cast unless some special driver options are active. $me->numSiblings =3D (int) $db_record['num_siblings']; --=20 Richard "Fleshgrinder" Fussenegger --6RxJDh1fjthd9bIsBuLBQmq1tP8VHUXxp-- --Iv1tRsvErTfATlTrw2XuxQL7AJAQh0F38 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 iQIcBAEBCAAGBQJXR1XIAAoJEOKkKcqFPVVrNBgP/0AzcCf5kZ0FG1AcBX6JHNkU 8zv22Qd4SHrjCQtB1BOYqtr7pRnKNVhOyaIiPRQwyTo8Y7aL9Iu8KsaNZAH8QtQ4 FIFpky5PgkWM2nC3Uarpnar5LhQxIFW6Qtwd/qrXGs/zFTofcQFBiVfvxbWxjXoJ /o7khJjHxKLEMoEVOAy2D1XmvMcOevWvTI0IG1dNgS3+QarRZPbwWp9lzD1KNfDq ukI+TKcdFN5U72XhJeR8oA6xgL9yMwoWiw7nMG3xIRA9keNTQn8j9/twiG1bKDgk Az6kSKFfNpTaI8JP3kFkivT5i4urij1LoYp4aBv3Qojf/RxZxNHkXfPuEhQxvste X0wo12+XmEN1ptFiu2sA8GMG/rrt17/Uks4Bh70Ft8i245GGBb3tPRXi/mZUBYIQ pyPD3n7wTLACwJWpfI+IbZnY3pYgUbkfZ23dB2WEAhyBK/um2KlpsHGhZA4PN+VD CnHCZjWuekzZGGcHAFVeVIPaQqnDDRT2wKAjwVuCZXemn7FVspDXOtm4x4t4/X29 QICDXqVC8L9/5KXLJm0HZwWhK8Xi4ZXLKrQnsGTpDmU3GsU5Jw/1fena6KRhf2rX i47rZFZH0mRbEDf+QUmByzfmBk76Z/IYRb/oDzfIiXOzW9dW5MhCDH9GNQlkPm5k ov37MY7EhhRYY7WNhntF =bnbF -----END PGP SIGNATURE----- --Iv1tRsvErTfATlTrw2XuxQL7AJAQh0F38--