On 16 November 2011 13:56, Tim Streater <t...@clothears.org.uk> wrote:
> I'm looking at the source of a web sockets server and I see these various
> forms:
>
> "ws://{$host}{$path}"
> "HTTP/1.1 ${status}\r\n"
>
> Are these simply equivalent to:
>
> "ws://" . $host . $path
> "HTTP/1.1 " . $status . "\r\n";
>
> and if so, is there any particular benefit to using that form? Or if not,
> what do they mean?
>
> (I've read up about variable variables).
>
> Thanks,
>
> --
> Cheers -- Tim
>
>
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>
If you want to embed $array[CONSTANT], then the {} is used.
I use {} out of habit for non arrays. Not sure if there is an impact.
http://docs.php.net/manual/en/language.types.string.php#example-71
shows the use.
Oh. I've fixed the layout bug for
http://docs.php.net/manual/en/language.types.string.php#example-70.
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