On 11-11-16 09:27 AM, Richard Quadling wrote:
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).
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.
The braces are also used when the characters following the variable are
also valid variable name characters :)
Cheers,
Rob.
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