> -----Original Message----- > From: Paul M Foster [mailto:paulf@xxxxxxxxxxxxxxxxx] > Sent: Tuesday, October 06, 2009 6:28 AM > To: php-general@xxxxxxxxxxxxx > Subject: Re: Whacky increment/assignment logic with > $foo++ vs ++$foo > > On Tue, Oct 06, 2009 at 08:51:17AM -0400, Bob McConnell wrote: > > > From: Joost [mailto:joost.t.hart@xxxxxxxxx] > > > "Daevid Vincent" wrote: > > >>> From: Ben Dunlap [mailto:bdunlap@xxxxxxxxxxxxxxxxxx] > > > > > $a = $a++; > > > > I just think this is an ambiguous line of code that wasn't thought > > through. The presence of the postfix operator makes the result > > undefined, no matter what language you are using. It will > be an accident > > if you get the results you are expecting. > > The behavior of the ++ operator is the invention of Kernighan > and Ritchie. > I don't imagine they ever foresaw anyone doing something as silly as > > a = a++; > > except under the rarest of circumstances. > > Paul Except that: $a = 123; $b = $a++; echo $b; //gives 123, not 124 as you logically expect it to and common sense would dictate, regardless of what K&R or anyone else says. -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
