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" <otto.wyss@xxxxxxxxxx>
To: <php-general@xxxxxxxxxxxxx>
Sent: Thursday, March 08, 2007 8:16 PM
Subject: Re: 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
--
PHP General Mailing List (http://www.php.net/)
To unsubscribe, visit: http://www.php.net/unsub.php
--
No virus found in this incoming message.
Checked by AVG Free Edition.
Version: 7.5.446 / Virus Database: 268.18.7/713 - Release Date: 07/03/2007
9:24
--
PHP General Mailing List (http://www.php.net/)
To unsubscribe, visit: http://www.php.net/unsub.php
