RE: [PHP] Using $$
| From: | Ford, Mike | Date: | Thu, 19 Nov 2009 17:05:41 +0000 |
| Subject: | RE: [PHP] Using $$ | ||
| References: | 1 | Groups: | php.general |
| Request: | Send a blank email to php-general+get-299939@lists.php.net to get a copy of this message | ||
> -----Original Message-----
> From: Arno Kuhl [mailto:akuhl@telkomsa.net]
> Sent: 19 November 2009 12:23
>
> I was looking at some old code that I'm convinced once worked but
> now using
> php5 it doesn't seem to work anymore.
>
> $input = "_REQUEST";
> if (is_array($$input)) {
> // do something
> }
> I tested something other than a superglobal and it works as
> expected. What
> am I missing?
Depends where you have this fragment of code, but possibly the big fat warning box towards the
bottom of http://php.net/language.variables.variable?
Cheers!
Mike
--
Mike Ford,
Electronic Information Developer, Libraries and Learning Innovation,
Leeds Metropolitan University, C507, Civic Quarter Campus,
Woodhouse Lane, LEEDS, LS1 3HE, United Kingdom
Email: m.ford@leedsmet.ac.uk
Tel: +44 113 812 4730
To view the terms under which this email is distributed, please go to http://disclaimer.leedsmet.ac.uk/email.htm