RE: [PHP] variable functions: empty/isset/unset invalid?
| From: | Johnson, Kirk | Date: | Mon, 07 May 2001 17:10:03 +0000 |
| Subject: | RE: [PHP] variable functions: empty/isset/unset invalid? | ||
| Groups: | php.general | ||
| Request: | Send a blank email to php-general+get-51778@lists.php.net to get a copy of this message | ||
Change the parens around $var to curly braces:
if ($foo{$var}) print 'worked.';
Kirk
> -----Original Message-----
> From: Philip Olson [mailto:philip@cornado.com]
> Subject: [PHP] variable functions: empty/isset/unset invalid?
>
> This does not work as expected (as I expect it at least) and gives the
> following error. This seems to result with use of empty(),
> isset(), and
> unset(), perhaps others :
>
> Call to undefined function: empty()
>
> When using :
>
> $foo = 'empty';
> if ($foo($var)) print 'worked.';