Re: while question

From: Date: Mon, 17 Nov 2008 23:09:38 +0000
Subject: Re: while question
References: 1 2 3 4  Groups: php.general 
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On Mon, 2008-11-17 at 18:01 -0500, Craige Leeder wrote: > Ashley Sheridan wrote: > > On Mon, 2008-11-17 at 17:47 -0500, Craige Leeder wrote: > > > >> Only thing to note with the foreach is that you are actually working on > >> a copy of the array, so if you intend to modify it, pass it by reference. > >> > >> - Craige > >> > > Can you do that? I assume it would look like this: > > > > foreach(&$array as $a) {} > > > > Close. It actually looks like this: > > foreach ($array as $key => &$value) {} > > This makes sense because for each iteration of the loop, PHP places a > copy of the key in $key, and a copy of the value in $value. Therefor, > you are specifying with this code that you want it to place a reference > of the value into $value. > > - Craige > > > Ah, that could be very useful to know, thanks! Ash www.ashleysheridan.co.uk

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