On Thu, 2013-07-18 at 07:46 -0600, Chris London wrote: > My friend shared some code with me today that wasn't working for him. He > was incrementing letters like this: > > $letter = 'A'; > echo ++$letter; // Output: B > > He was then trying to decrement letters like this: > > $letter = 'B'; > echo --$letter; // Output: B > > He was really confused why his code wasn't working. Obviously the answer > is, PHP doesn't support decrementing letters.
Oviously this documented in http://de2.php.net/manual/en/language.operators.increment.php ;-) > My question is, why specifically doesn't it? > > It seems logical that if we support increment we should support decrement. ++$string; will always succeed. But what should $s = 'a'; --$s; result in? johannes -- PHP Internals - PHP Runtime Development Mailing List To unsubscribe, visit: http://www.php.net/unsub.php
