Re: [PHP] Need routine to tell me number of dimensions in array.

Rene Veerman wrote:
> maybe you should be foreach()ing with references?
> php.net : search "foreach" :
> 
> 
> As of PHP 5, you can easily modify array's elements by preceding
> $value with &. This will assign reference instead of copying the
> value.
> <?php
> $arr = array(1, 2, 3, 4);
> foreach ($arr as &$value) {
>     $value = $value * 2;
> }
> // $arr is now array(2, 4, 6, 8)
> unset($value); // break the reference with the last element
> ?>
> This is possible only if iterated array can be referenced (i.e. is variable),

References in foreach don't work the way you think they work. You will 
still incur the copy. At least I did when I tested earlier today :)

Cheers,
Rob.
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