They are called 'variable variables':
http://www.php.net/manual/en/language.variables.variable.php and it is under
.... variables!
Satyam
PS: it sounds obvious once said, but it's usage might not be, so I meant the
pun, but not to tease you.
----- Original Message -----
From: "Otto Wyss" <[EMAIL PROTECTED]>
To: <php-general@lists.php.net>
Sent: Thursday, March 08, 2007 8:16 PM
Subject: Re: [PHP] Creating variable names from values
Satyam wrote:
$key = 'K' . $key;
if ($$key) {
notice double dollar sign, it means, not the value of $key but the value
of the variable $key says.
Thanks, any idea where this is described in the PHP manual? Searching
for "$$" produces no results.
O. Wyss
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