RE: [PHP-DEV] Lexical scoping
| From: | Christian Stoller | Date: | Tue, 28 Jan 2014 13:33:42 +0000 |
| Subject: | RE: [PHP-DEV] Lexical scoping | ||
| References: | 1 2 | Groups: | php.internals |
| Request: | Send a blank email to internals+get-71669@lists.php.net to get a copy of this message | ||
> > Regarding your example:
> >
> > foreach ($array as &$a) {
> > $a = 3;
> > }
> > $a = null; // $a not a reference anymore. Problem solved :)
> >
> >
> Problem not solved. You have just changed the last element of $array...
> This is the exact problem that was to be avoided.
>
unset($a) after the foreach solves the problem.