Re: foreach fails on unitialized array?
| From: | Michael Sims | Date: | Wed, 28 Aug 2002 04:33:08 +0000 |
| Subject: | Re: foreach fails on unitialized array? | ||
| References: | 1 | Groups: | php.general |
| Request: | Send a blank email to php-general+get-114324@lists.php.net to get a copy of this message | ||
On Wed, 28 Aug 2002 12:53:45 +0900, you wrote:
>When I use foreach on a uninitialized array I get the following warning:
>
>Warning: Invalid argument supplied for foreach() in
>/www/htdocs/jc/cart/add_item.php on line 21
>
>I would expect foreach to treat an unitialized variable as an empty
>array and hence do nothing. Is this the expected behaviour?
It's always been my experience. I just get in a habit of doing this:
if(is_array($myvar)) foreach($myvar as $key => $value ) {
...
}