<?php
function foo { echo "Hi";}
$bar = 'foo';
$bar();
?>
On Sun, April 9, 2006 1:17 pm, tedd wrote:
> Hi gang:
>
> Not that I have an immediate need for this, but in other languages
> one can access a function by reference (in other words, it's address
> -- such as call(function address) ).
>
> In php, one can pass a variable by reference by simply using the
> ampersand, such a &$a.
>
> Is there a similar way to reference a function?
>
> Rob, was kind enough to post the following code, but I was looking
> for something where I could store the function's address in a
> variable. Something like:
>
> $a = &f_a();
>
> And then, where I could use call_user_func($a); (or something
> similar) and the function would do it's thing -- anything like that?
>
> Thanks
>
> tedd
>
> --- Rob's suggestion follows.
>
> Like the following?
>
> <?php
>
> function f_a()
> {
> echo 'a';
> }
>
> function f_b()
> {
> echo 'b';
> }
>
> function f_c()
> {
> echo 'c';
> }
>
> $map = array
> (
> 'a' => 'f_a',
> 'b' => 'f_b',
> 'c' => 'f_c',
> );
>
> $map['a']();
> $map['b']();
> $map['c']();
>
> ?>
>
>
> --
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>
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