[Phpwm] WTF?

[Phil Beynon]

> | He avoided the iteratively nasty $$ arrays though.
>
>
> $$ arrays?
>
> You mean nested arrays?

Nope.

> (Where do variable variables come into play?)

Probably; when you use values from one array explicitly as keys or values
from another. It's complex to get your head around but actually very
efficient code once its done and since it can only use bits from existing
arrays / database calls.
You can also use it as a method of selecting between functions / class calls
where an if() statement would be highly complex and uninformative.

Phil
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