Re: Variable Swap

From: Date: Thu, 24 Jan 2002 08:29:27 +0000
Subject: Re: Variable Swap
References: 1 2 3  Groups: php.lang 
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If you're going to be using this a lot, why not just create a function to do it? You'll have that third variable but it will be destroyed every time the function breaks. Low system overhead in that case. Mike "Yasuo Ohgaki" <yasuo_ohgaki@yahoo.com> wrote in message news:3C1820F0.8010407@yahoo.com... > Andrei Zmievski wrote: > > > On Mon, 10 Dec 2001, Bharath Bhushan Lohray wrote: > > > >>Is there a way of swapping the values of two variables without involving a > >>third variable. > >> > >>something similar to the SWAP(A$,B$) of BASIC > >> > >>I have a big variable(array) and I want to keep my script's memory > >>requirements as low as possible. > >> > > > > list($b, $a) = array($a, $b); > > > > -Andrei > > * Reality isn't all it's cracked up to be. * > > > > This is nice code. > I didn't think of that :) > > Question is which is faster & memory efficient, > but there wouldn't be much difference though. > > -- > Yasuo Ohgaki >

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