Re: What does &var mean ?
| From: | Fred | Date: | Thu, 22 Nov 2001 17:18:29 +0000 |
| Subject: | Re: What does &var mean ? | ||
| References: | 1 | Groups: | php.general |
| Request: | Send a blank email to php-general+get-75529@lists.php.net to get a copy of this message | ||
It indicates that the variable was passed by reference rather than by value.
Fred
Girish Nath <girishn@btinternet.com> wrote in message
news:000f01c1736c$714abc30$015b10ac@AERIS...
> Hi
>
> I've been looking at some classes an have come across this notation for
> example :
>
> function remove(&$productid) {
> /* this function will remove a given product from the cart */
> if (isset($productid)) {
> unset($this->items[$productid]);
> }
> }
>
>
> What does the "&" (ampersand) before the variable name mean ?
>
> Thanks
>
>
> Girish
>