Re: Using Variable Variables from form values inside a function
| From: | Matt | Date: | Mon, 18 Feb 2002 13:47:18 +0000 |
| Subject: | Re: Using Variable Variables from form values inside a function | ||
| References: | 1 | Groups: | php.general |
| Request: | Send a blank email to php-general+get-85184@lists.php.net to get a copy of this message | ||
----- Original Message -----
From: "Ron Dyck" <adam@webbtech.net>
> but, this doesn't:
>
> function myFunction() {
> foreach($_POST as $key=>$value) {
>
> if (empty($$key)) {
> print "empty value $key<br>";
> }
>
> }
> }
Since php variable scope is local unless you define it global, that won't
work that way. You might try (just guessing here):
function myFunction() {
foreach($_POST as $key=>$value) {
global $$key;
if (empty($$key)) {
print "empty value $key<br>";
}
}
}