$$key = $value?

Hello

I'm reading articles on how to validate forms, and happened on the
following section:

foreach($_POST as $key=>$value) {
$$key = $value;
}

http://www.phphacks.com/content/view/31/33/

What does "$$key=$value" do?

Thank you.

On Mon, 24 Mar 2008 03:20:06 -0700 (PDT), ELINTPimp
<smsiebe@gmail.comwrote:

Quote:

>$$key is a variable variable:
>http://us3.php.net/language.variables.variable

Thanks for the answer.

$$key = $value?

re: $$key = $value?

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