Re: $ vs $$
| From: | Max Derkachev | Date: | Sun, 19 Nov 2000 11:43:14 +0000 |
| Subject: | Re: $ vs $$ | ||
| References: | 1 | Groups: | php.general |
| Request: | Send a blank email to php-general+get-26122@lists.php.net to get a copy of this message | ||
$$ dereferences variables' names, just like in perl. Using $$ you'll get variable
variable's name. E.g.:
$var = 'myvar';
$$var = 1 ; // equivalent to ${$var} = 1 and actually means $myvar = 1.
Dallas Kropka wrote:
> I have seen places where $$ is used. When should I use $$ and what does it do.
>
> Thank you.
> Dallas K.
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