I'm just curious here about varible varibles ... I know that you can, well
it's documented that you can, do the following

$a = foo;
$$a = bar;

echo "$a $$a";

which will produce  foo bar

now what I am curious about is, how much of a difference does that really
make when you compare it to..

$a = foo;
$a .= bar;

echo "$a";


"the only dumb question is the one that wasn't asked"

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