Re: Arrays
| From: | Rasmus Lerdorf | Date: | Mon, 31 Jul 2000 21:06:38 +0000 |
| Subject: | Re: Arrays | ||
| References: | 1 | Groups: | php.db |
| Request: | Send a blank email to php-db+get-1651@lists.php.net to get a copy of this message | ||
> > > What's the easiest way to loop through an array? I am using PHP3 - I
> know
> > > that PHP4 has a "foreach" structure, but sadly this is not there in
> version
> > > 3. I know it's probably something to do with a "while" loop - but how
> > > exactly is it done? I have an array of 5 variables, and some of the
> > > variables may be empty.
> >
> > while(list($key,$value)=each($array)) {
> > echo "$key: $value<br>\n";
> > }
> >
> > -Rasmus
>
> Thanks... I'm a bit of a newbie, so I'm not sure what the $key variable
> does... is it the index for the array?
Yup. If your array looked like this:
$a[5] = "Horse";
$a["blah"] = 47;
The output would be:
5: Horse
blah: 47
-Rasmus