Hi Yasuo,
> On 29 Jan 2015, at 22:14, Yasuo Ohgaki <[email protected]> wrote:
>
> Hi Andrey,
>
> On Fri, Jan 30, 2015 at 6:43 AM, Andrey Andreev <[email protected]> wrote:
>>
>> Is somebody actually recommending the latter form? I'm surprised that
>> it even works ... that should be a syntax error IMO.
>
>
> Do you mean
>
> echo "${array[$key]}"; // Works
>
> should be errror?
> This form is common in shell scripting.
>
> http://tldp.org/LDP/abs/html/parameter-substitution.html
>
> I'm using it regularly. I guess many users expect following forms to work.
>
> $obj->${array[$key]}; // Syntax error
> $obj->${key}; // E_NOTICE. Does not work
>
> 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 $key = array[$key],
$obj->${$key} would make no sense to me.
--
Andrea Faulds
http://ajf.me/
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