RE: [PHP] Using Variable Variables from form values inside a func tion
| From: | Ford, Mike [LSS] | Date: | Mon, 18 Feb 2002 16:22:14 +0000 |
| Subject: | RE: [PHP] Using Variable Variables from form values inside a func tion | ||
| Groups: | php.general | ||
| Request: | Send a blank email to php-general+get-85216@lists.php.net to get a copy of this message | ||
> -----Original Message-----
> From: Ron Dyck [mailto:adam@webbtech.net]
> Sent: 18 February 2002 13:38
>
[... snip working example]
>
> but, this doesn't:
>
> function myFunction() {
> foreach($_POST as $key=>$value) {
>
> if (empty($$key)) {
> print "empty value $key<br>";
> }
>
> }
> }
What's wrong with:
if (empty($_POST[$key])):
?
This should work whether or not register_globals is switched on, and is therefore much to be
preferred.
Cheers!
Mike
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