Newsgroups: php.internals
Path: news.php.net
Xref: news.php.net php.internals:100909
Mailing-List: contact internals-help@lists.php.net; run by ezmlm
Received-SPF: pass (pb1.pair.com: domain gmail.com designates 74.125.82.41 as permitted sender)
Date: Sat, 21 Oct 2017 15:31:53 +0100
User-Agent: K-9 Mail for Android
In-Reply-To: <46d05c00-c34a-a907-2eeb-07d424db71c6@gmx.de>
References: <CAEUnE0e6dS4QxoZB_Uy63cCwED1C2Hjan8zC8wPc+5zGcY2yzQ@mail.gmail.com> <46d05c00-c34a-a907-2eeb-07d424db71c6@gmx.de>
MIME-Version: 1.0
Content-Type: text/plain;
 charset=utf-8
Content-Transfer-Encoding: quoted-printable
To: PHP internals <internals@lists.php.net>
Message-ID: <FA2F3B4D-F288-491F-B984-1ABA1CDFC945@gmail.com>
Subject: Re: [PHP-DEV] Re: Wouldn't Exception::getContext() be useful?
From: rowan.collins@gmail.com (Rowan Collins)

On 21 October 2017 11:41:46 BST, "Christoph M=2E Becker" <cmbecker69@gmx=2E=
de> wrote:
>On 21=2E10=2E2017 at 09:20, Michael Morris wrote:
>
>> Right now the only way I know of to see the context of an exception
>throw
>> is to pass it in=2E=2E
>>=20
>> throw new CustomException(get_definted_vars());
>>=20
>> It would be very useful to have exceptions just have this as a
>method=2E
>> set_error_handle had this ability, but it's now deprecated=2E  I'm
>guessing
>> there's an engine reason why this hasn't happened because it seems
>like a
>> pretty obvious include to the default methods of the Exception and
>Error
>> objects=2E
>
>Quite likely the same reasoning as for deprecating the $errcontext
>argument applies, see
><https://wiki=2Ephp=2Enet/rfc/deprecations_php_7_2#errcontext_argument_of=
_error_handler>=2E


See also my posts about the problems of capturing arguments in the excepti=
on's backtrace (sorry, don't have an archive link to hand)=2E Basically, ho=
lding references to objects without user interaction makes object lifetimes=
 unpredictable and serialization unexpectedly fail=2E

Did you just want this for debugging, or was there some other use case?

Regards,

--=20
Rowan Collins
[IMSoP]