> Probably he's talking about linked lists ... If so an approach in php
> would be the OO one:
>
> class List {
>
> var previous;
> var next;
> var contents;
>
> function List ( $p, $n, $c) {
> $this->previous = $p;
> $this->next = $n;
> $this->contents = $c;
> }
>
PHP is different than C, when you do:
$this->previous = $p
you get 2 differents objects. The original is $p and the new one on
$this->previous.
If you change $p, $this->previous will not be changed.
you must do something like:
function List ( &$p, &$n, $c) {
$this->previous &= $p;
$this->next &= $n;
$this->contents = $c;
}
to get the same object in both places... But I'm not sure...
--
José Miguel Santibáñez
jms@xxxxxxxxx
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