RE: [PHP] what does $$ mean?
| From: | Jason Murray | Date: | Mon, 05 Mar 2001 04:06:56 +0000 |
| Subject: | RE: [PHP] what does $$ mean? | ||
| Groups: | php.general | ||
| Request: | Send a blank email to php-general+get-42569@lists.php.net to get a copy of this message | ||
> I'm studying some code from the net and was kinda curious. There are
> places where it references variables like this:
>
> $$testvar
>
> What's the difference between that and
>
> $testvar
>
> ?
$testvar means "the value of the variable named 'testvar'".
$$testvar means "the value of the variable with the name of the
value of 'testvar'". ie - testvar is "foo", $$testvar is equivalent
to $foo.
Jason