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Date: Thu, 29 Jan 2015 22:17:49 +0000
Cc: Andrey Andreev <narf@devilix.net>,
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To: Yasuo Ohgaki <yohgaki@ohgaki.net>
Subject: Re: [PHP-DEV] Use of {} with member.
From: ajf@ajf.me (Andrea Faulds)

Hi Yasuo,

> On 29 Jan 2015, at 22:14, Yasuo Ohgaki <yohgaki@ohgaki.net> wrote:
>=20
> Hi Andrey,
>=20
> On Fri, Jan 30, 2015 at 6:43 AM, Andrey Andreev <narf@devilix.net> =
wrote:
>>=20
>> Is somebody actually recommending the latter form? I'm surprised that
>> it even works ... that should be a syntax error IMO.
>=20
>=20
> Do you mean
>=20
> echo "${array[$key]}"; // Works
>=20
> should be errror?
> This form is common in shell scripting.
>=20
> http://tldp.org/LDP/abs/html/parameter-substitution.html
>=20
> I'm using it regularly. I guess many users expect following forms to =
work.
>=20
> $obj->${array[$key]}; // Syntax error
> $obj->${key}; // E_NOTICE. Does not work
>=20
> What others expect?

I would expect that anything within ${} works the same as it does =
outside it. Having $obj->${array[$key]} do something different to $key =3D=
 array[$key], $obj->${$key} would make no sense to me.
--
Andrea Faulds
http://ajf.me/