Newsgroups: php.internals Path: news.php.net Xref: news.php.net php.internals:53216 Return-Path: Mailing-List: contact internals-help@lists.php.net; run by ezmlm Delivered-To: mailing list internals@lists.php.net Received: (qmail 89451 invoked from network); 8 Jun 2011 15:53:40 -0000 Received: from unknown (HELO lists.php.net) (127.0.0.1) by localhost with SMTP; 8 Jun 2011 15:53:40 -0000 Authentication-Results: pb1.pair.com smtp.mail=david.zuelke@bitextender.com; spf=permerror; sender-id=unknown Authentication-Results: pb1.pair.com header.from=david.zuelke@bitextender.com; sender-id=unknown Received-SPF: error (pb1.pair.com: domain bitextender.com from 80.237.132.12 cause and error) X-PHP-List-Original-Sender: david.zuelke@bitextender.com X-Host-Fingerprint: 80.237.132.12 wp005.webpack.hosteurope.de Received: from [80.237.132.12] ([80.237.132.12:55419] helo=wp005.webpack.hosteurope.de) by pb1.pair.com (ecelerity 2.1.1.9-wez r(12769M)) with ESMTP id 5E/45-48516-00B9FED4 for ; Wed, 08 Jun 2011 11:53:38 -0400 Received: from zentrale.gutefrage.net ([62.153.67.220] helo=[10.20.22.151]); authenticated by wp005.webpack.hosteurope.de running ExIM with esmtpsa (TLS1.0:RSA_AES_128_CBC_SHA1:16) id 1QUL4V-0005cW-CK; Wed, 08 Jun 2011 17:53:31 +0200 Mime-Version: 1.0 (Apple Message framework v1084) Content-Type: multipart/signed; boundary=Apple-Mail-4-676213007; protocol="application/pkcs7-signature"; micalg=sha1 In-Reply-To: Date: Wed, 8 Jun 2011 17:53:30 +0200 Cc: Hannes Magnusson , =?iso-8859-1?Q?Johannes_Schl=FCter?= , Stas Malyshev , "Matthew Weier O'Phinney" , internals@lists.php.net Message-ID: <7570C35E-D781-45D4-9E0E-F0404A5FE740@bitextender.com> References: <4DED3D5B.6030307@oracle.com> <4DEE782E.1020605@sugarcrm.com> <1307489981.23373.31.camel@guybrush> To: Anthony Ferrara X-Mailer: Apple Mail (2.1084) X-bounce-key: webpack.hosteurope.de;david.zuelke@bitextender.com;1307548417;47e7c501; Subject: Re: [PHP-DEV] Callable type From: david.zuelke@bitextender.com (=?iso-8859-1?Q?David_Z=FClke?=) --Apple-Mail-4-676213007 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=iso-8859-1 He means function foo(callback derp =3D array('MyClass', 'ohai')) { ... } David On 08.06.2011, at 15:31, Anthony Ferrara wrote: >> No default values, other then NULL allowed. >> Otherwise we would need to support array("classname", "methodname") >> too, and then people would want default array values for array >> typehinting etc etc etc. >=20 > Unless I mis-read what you said, we already have default array values > for array type-hinting: >=20 > function foo(array $array =3D array('bar', 'baz')) { > var_dump($array); > } >=20 > foo(); >=20 > foo(array()); >=20 > Works perfectly for me on 5.3.6... >=20 > 2011/6/8 Hannes Magnusson : >> 2011/6/8 Johannes Schl=FCter : >>> On Tue, 2011-06-07 at 12:12 -0700, Stas Malyshev wrote: >>>> Hi! >>>>=20 >>>>> https://wiki.php.net/rfc/callable >>>>=20 >>>> It is good there's an RFC. However it seems to lack code examples. = I >>>> understand it may be obvious to the proposers how it looks like, = but >>>> it'd be nice to have the actual example there as it is done nearly >>>> everywhere else. >>>=20 >>> The RFC is missing information about what happens in codebases which >>> already have a "callable" type declared. Will that be prevented or = will >>> they hit a runtime error? ("callable expected, callable type found") >>=20 >> You mean an interface/class with that name? >> The error would be 'expected instanceof callable, = string/array/closure recieved. >>=20 >> gettype("strpos") will still return a string, not callable. >>=20 >> A callable wouldn't be fully featured type. >>=20 >>> What about default values? Will >>> function foo(callback $cb =3D 'strpos') { } >>> be valid? >>=20 >> No default values, other then NULL allowed. >> Otherwise we would need to support array("classname", "methodname") >> too, and then people would want default array values for array >> typehinting etc etc etc. >>=20 >>=20 >>=20 >>> The information on reflection is limited. what shall >>> Reflection::Parameter::getTypehint() return? Will that method allow = to >>> differ between a class type and this "magic"? >>=20 >> There is no such method anymore :) >>=20 >>=20 >>>=20 >>> What about ARGINFO? Will internal functions be able to define this = type >>> via ARGINFO? How will this be reported in `php --rf function`? >>=20 >> I didn't include arginfo in the patch, but good point. It should >> probably be included. >> As Felipe pointed out, ext/reflection hasn't been updated. >> It should return [ callable $foobar ], just like with any other = typehint >>=20 >> -Hannes >>=20 >> -- >> PHP Internals - PHP Runtime Development Mailing List >> To unsubscribe, visit: http://www.php.net/unsub.php >>=20 >>=20 >=20 > -- > PHP Internals - PHP Runtime Development Mailing List > To unsubscribe, visit: http://www.php.net/unsub.php >=20 >=20 --Apple-Mail-4-676213007 Content-Disposition: attachment; filename=smime.p7s Content-Type: application/pkcs7-signature; name=smime.p7s Content-Transfer-Encoding: base64 MIAGCSqGSIb3DQEHAqCAMIACAQExCzAJBgUrDgMCGgUAMIAGCSqGSIb3DQEHAQAAoIIMZDCCBW4w ggRWoAMCAQICECzy3OO4bIaKwclpYXzU0GAwDQYJKoZIhvcNAQEFBQAwgd0xCzAJBgNVBAYTAlVT MRcwFQYDVQQKEw5WZXJpU2lnbiwgSW5jLjEfMB0GA1UECxMWVmVyaVNpZ24gVHJ1c3QgTmV0d29y azE7MDkGA1UECxMyVGVybXMgb2YgdXNlIGF0IGh0dHBzOi8vd3d3LnZlcmlzaWduLmNvbS9ycGEg 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