RE: [PHP-DEV] Lexical scoping

From: Date: Tue, 28 Jan 2014 13:33:42 +0000
Subject: RE: [PHP-DEV] Lexical scoping
References: 1 2  Groups: php.internals 
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> > 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.

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