Re: counting files, choosing at random
| From: | David Otton | Date: | Wed, 13 Aug 2003 09:58:10 +0000 |
| Subject: | Re: counting files, choosing at random | ||
| References: | 1 | Groups: | php.general |
| Request: | Send a blank email to php-general+get-159414@lists.php.net to get a copy of this message | ||
On Wed, 13 Aug 2003 10:54:58 +0200, you wrote:
>
> I want to choose a file at random from a
> directory which adheres to certain naming scheme.
> I can't get it to work. It's probably something
> simple...Here is a relevant snippet:
>
><img src="/szukaj/images/i
><?
>chdir('./szukaj/images/');
>echo mt_rand(0, count(glob('i*.gif', GLOB_NOSORT)) - 1);
>?>
Wrapping the glob() in the count() is just throwing away the filenames. Try
something more like this.
$names = glob('i*.gif', GLOB_NOSORT);
if (sizeof ($names))
{
$offset = mt_rand (0, sizeof ($names));
$name = $names[$offset];
} else {
$name = 'not found';
}
echo ($name);