RE: [PHP-DEV] Re: foreach with null
| From: | David Zülke | Date: | Mon, 24 Oct 2005 23:07:45 +0000 |
| Subject: | RE: [PHP-DEV] Re: foreach with null | ||
| References: | 1 | Groups: | php.internals |
| Request: | Send a blank email to internals+get-19713@lists.php.net to get a copy of this message | ||
> IMPW (In my PHP world) null represents an undefined variable. Trying to
> iterate over it could be a programming mistake. Like iterating over a
> scalar value. I normally use foreach ((array)$var as $value) if $var is
> of "mixed" type which also catches null. But most of the time I'm more
> comfortable with making sure I provide a real array in all cases and
> don't rely on magic.
Good point. Smells like a -1 to me.
- David