Re: Array
| From: | Ashley Sheridan | Date: | Sat, 24 Oct 2009 10:59:13 +0000 |
| Subject: | Re: Array | ||
| References: | 1 | Groups: | php.general |
| Request: | Send a blank email to php-general+get-299293@lists.php.net to get a copy of this message | ||
On Sat, 2009-10-24 at 06:57 -0400, Ron Piggott wrote:
> The following line gives me an error message when there aren't any
> values in the array --- how do I accommodate this?
>
> Warning: Invalid argument supplied for foreach()
>
> foreach ($_SESSION['order'] AS $key => $value ) {
>
>
Do an isset() on $_SESSION['order'] first to determine if the variable
even exists, then do is_array() to determine if it's an array or not
before trying to iterate it. My guess is that $_SESSION['order'] isn't
an array all the time.
Thanks,
Ash
http://www.ashleysheridan.co.uk