On Wed, Oct 20, 2010 at 5:00 AM, Tommy Pham <[email protected]> wrote:
> Shouldn't that be $row = null since unset will remove the last value, not
> just removing the variable also, from the array whereas the $row = null
> will
> tell the reference pointer that it doesn't point to a value.
>
No, that would assign null to the last array element. References allow you
to assign any value--including null--to the container they reference.
Unsetting a reference breaks the reference without affecting whatever it
references.
$x = 5;
$y = &$x;
$y = null;
print_r($x);
var_dump($x);
--> NULL
David
