On Wed, Oct 20, 2010 at 11:08 AM, Tommy Pham <[email protected]> wrote:
> hmm.. About 8-9 years ago I did a project where I used the reference
> in a foreach loop as the OP. unset not only remove the variable but
> also the value in the array. I tried several methods at that time and
> ended up assigning null to get what I wanted without modifying the
> array. I'll have to dig up that project later to see.
>
To be thorough, I ran the same test as above using unset(), and it correctly
clears the reference and leaves $x in tact.
$x = 5;
$y = &$x;
unset($y);
var_dump($x);
--> 5
var_dump($y);
--> NULL
It's quite possible this behavior was changed along the way. I started using
PHP last year with 5.2.
David
