Re: Re: Possible foreach bug; seeking advice to isolate the problem

From: Date: Sat, 23 Oct 2010 06:34:27 +0000
Subject: Re: Re: Possible foreach bug; seeking advice to isolate the problem
References: 1 2 3  Groups: php.general 
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On 23 October 2010 07:50, Jonathan Sachs <081012@jhsachs.com> wrote: > Gary wrote: > >>Better. I can tell you how to solve it: >>    $a = array('a', 'b','c'); >>    foreach($a as &$row){ >>        //you don't have to do anything here >>    } >>    unset($row); // <----<<< THIS IS KEY! >>    print_r($a); >>    foreach($a as $row){ >>        echo "<br />".$row; >>    } >>    print_r($a); > > I see what you're doing now: unsetting the variable, not the array > element referenced by the variable. You're right, it does work. > > It's not exactly better than knowing what's wrong, though... it's > different. I already had a workaround, although it was not quite as > elegant. My desire now is to find out whether the behavior I described > is due to something I don't understand about PHP, or to a bug. If it's > something I don't understand, I want to understand it. If it's a bug, > I want to report it. It is not a bug - somewhere before the foreach loop you've got, a variable is being referenced, and that's throwing things off. Otherwise, unsetting the variable would have no effect on the problem you're seeing. Regards Peter -- <hype> WWW: plphp.dk / plind.dk LinkedIn: plind BeWelcome/Couchsurfing: Fake51 Twitter: kafe15 </hype>

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