Re: loop Q

From: Date: Fri, 24 Feb 2006 12:11:42 +0000
Subject: Re: loop Q
References: 1 2  Groups: php.general 
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Cheers! "Jochem Maas" <jochem@iamjochem.com> kirjoitti viestissä:43FEF19F.5020509@iamjochem.com... > William Stokes wrote: >> What does this do in a for loop? >> >> $counter+=1 >> > > it's shorthand for $counter = $counter + 1; > which in this case (because 1 is being added) > can also be written as: > > $counter++; > > or > > ++$counter; > > > those last 2 alternatives give the same result > but they are _not_ exactly equivalent - it has to do > with when the incrementation is done when such expression > appears inside a more complex expression e.g. > > $counter = 1; > $x = ++$counter; > $counter = 1; > $y = $counter++; > echo $x,",",$y,"\n"; // outputs: 2,1 > > >> >> >> Thanks >> >> -Will >>

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