Re: Using a variable to call another variable
| From: | Robert Cummings | Date: | Sat, 09 Sep 2006 04:10:36 +0000 |
| Subject: | Re: Using a variable to call another variable | ||
| References: | 1 | Groups: | php.general |
| Request: | Send a blank email to php-general+get-241519@lists.php.net to get a copy of this message | ||
On Sat, 2006-09-09 at 12:57 +0900, Dave M G wrote:
> PHP List,
>
> I have a list of variables:
>
> $001
> $002
> $003
> $004
>
> And what I'd like to do is have a function which will select and return
> one of them. Something like:
>
> public function returnVar($n)
> {
> return $(somehow n is made to reference the name of the variable);
> }
>
> And then in later scripts I can call anyone of the variables by saying
>
> returnVar(001)
>
> Or something like that.
>
> I've been scratching my head on how to do this for a while. I thought
> the answer might lie somewhere in call_user_func(), but even if it is I
> can't determine how.
>
> Any advice would be much appreciated.
<?php
function easy_peasy( $name )
{
$foo1 = 1;
$foo2 = 2;
$foo3 = 3;
return $$name;
}
echo easy_peasy( 'foo2' )."\n";
?>
Cheers,
Rob.
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