Newsgroups: php.internals
Path: news.php.net
Xref: news.php.net php.internals:112710
To: "internals@lists.php.net" <internals@lists.php.net>
Thread-Topic: [RFC] Configurable callback to dump results of expressions in
 `php -a`
Thread-Index: AQHW1x7Yg3FUP/hma0qSEEKC7GDKEqoJfVv8
Date: Sat, 2 Jan 2021 15:16:27 +0000
Message-ID:
 <DM6PR07MB66181262448A6695F458E4E1F9DB0@DM6PR07MB6618.namprd07.prod.outlook.com>
References:
 <DM6PR07MB6618E6CFE6D25DB398A4AF6EF9C10@DM6PR07MB6618.namprd07.prod.outlook.com>
In-Reply-To:
 <DM6PR07MB6618E6CFE6D25DB398A4AF6EF9C10@DM6PR07MB6618.namprd07.prod.outlook.com>
Accept-Language: en-CA, en-US
Content-Language: en-CA
x-ms-exchange-messagesentrepresentingtype: 1
x-tmn: [pD1MRZj40yD459OKMg/rpy5govKGg8tu]
x-ms-publictraffictype: Email
x-incomingheadercount: 44
x-eopattributedmessage: 0
x-ms-office365-filtering-correlation-id: 48e1a89f-a7a4-46c2-6147-08d8af316068
x-ms-traffictypediagnostic: BN8NAM11HT058:
x-ms-exchange-minimumurldomainage: github.com#4834
x-microsoft-antispam: BCL:0;
x-microsoft-antispam-message-info:
 Xpka/5hLGM34LlbLHTLj/1/8Qqy69DyzxBTzTPf4ZG0vBmf8WXp42Lfir8kvBkgerMVWqwYtYuApFK1ViUJlfpCcB+0iOMDhYNA4DvptwuSLwbWIG0zeN3DZShfRPbXCjyltwvSXMTyVA/bNUVW5mKQmUydkbCoqy1nz+daX+fM2VX28s7tL2e2/Netf72ISUSlc9a/+HsRnSoTAPON2i5qtCJIAm2mGrCuUTf3og5ly9LJtZazm3s0ol1u3C+5OiXhOvxu6kOrGzDqU2AIfWSk+6jNLAIPsutTTaWYjlIQ=
x-ms-exchange-antispam-messagedata:
 ynHbJAKZKcOAj7H3bmUZHY8rHUczqIGgE2WYHhn2SHpQErWnsFGQ0khoghCaG+6YEod62zPUz+bL52nG4yUEzJPZ0bu+V4VpmJTXWBDz4XhJ5+Z3gafEDiVVGVLY9fAfjyryDCsn8XQ+9YgtPoo0CQ==
x-ms-exchange-transport-forked: True
Content-Type: text/plain; charset="iso-8859-1"
Content-Transfer-Encoding: quoted-printable
MIME-Version: 1.0
X-OriginatorOrg: hotmail.com
X-MS-Exchange-CrossTenant-AuthAs: Anonymous
X-MS-Exchange-CrossTenant-AuthSource: BN8NAM11FT036.eop-nam11.prod.protection.outlook.com
X-MS-Exchange-CrossTenant-RMS-PersistedConsumerOrg: 00000000-0000-0000-0000-000000000000
X-MS-Exchange-CrossTenant-Network-Message-Id: 48e1a89f-a7a4-46c2-6147-08d8af316068
X-MS-Exchange-CrossTenant-originalarrivaltime: 02 Jan 2021 15:16:27.7457
 (UTC)
X-MS-Exchange-CrossTenant-fromentityheader: Internet
X-MS-Exchange-CrossTenant-id: 84df9e7f-e9f6-40af-b435-aaaaaaaaaaaa
X-MS-Exchange-CrossTenant-rms-persistedconsumerorg: 00000000-0000-0000-0000-000000000000
X-MS-Exchange-Transport-CrossTenantHeadersStamped: BN8NAM11HT058
Subject: Re: [RFC] Configurable callback to dump results of expressions in
 `php -a`
From: tysonandre775@hotmail.com (tyson andre)

Hi internals,=0A=
=0A=
> I've created a new RFC https://wiki.php.net/rfc/readline_interactive_shel=
l_result_function=0A=
> adding a way to configure a callback to be called to dump the value of si=
ngle-expression statements from `php -a`=0A=
> (and an ini setting that can be disabled to prevent that callback from be=
ing called).=0A=
> =0A=
> Many REPLs (Read-Eval-Print Loops) for other programming languages that I=
'm familiar with=0A=
> print a (possibly truncated) representation of the result of expressions,=
 but PHP doesn't.=0A=
> It would be useful to allow users to extend the functionality of the defa=
ult interactive php shell (php -a),=0A=
> possibly with auto_prepend_file or through use of command wrappers/aliase=
s, or after loading the shell.=0A=
> Prior to this RFC, there was no way to extend the interactive php shell i=
n this way.=0A=
> (I've seen https://github.com/bobthecow/psysh mentioned as an alternative=
 for php -a while investigating this,=0A=
> but that's a shell written from scratch, and doesn't have some functional=
ity from php -a such as tolerance of fatal errors)=0A=
=0A=
A reminder that I plan to start the vote on https://wiki.php.net/rfc/readli=
ne_interactive_shell_result_function on 2021-01-03=0A=
=0A=
Thanks,=0A=
- Tyson=