RE: [PHP-DEV] [PROPOSAL] Alphanumeric decrement

> -----Original Message----- > From: Tjerk Meesters [mailto:tjerk.meesters@gmail.com] > Sent: Friday, December 13, 2013 1:54 PM > To: Kris Craig > Cc: Marc Bennewitz; PHP internals list > Subject: Re: [PHP-DEV] [PROPOSAL] Alphanumeric decrement > > > > > > >> > >> That said, isn't it bad enough that php already has exceptions such as: > >> * ++$x is not always the same as $x += 1 > >> * ++false remains false, but ++null becomes int(1) > >> > > [Robert Stoll] Thanks for this information, I wasn't even aware of that PHP behaves so strange when it comes to true/false in combination with the ++ or -- operator. I always expected that they would behave like int's when an arithmetic operator is applied. > > As a matter of fact, I've created a rough patch, not to lobby against the > ability to decrement_string() per se, but to move string logic to where it > belongs; inside ext/standard/string.c > > The branch differences can be found here: > > https://github.com/datibbaw/php-src/compare/master...inc-dec-patch > > Basically it makes the $x++ or > ++$x work as if you types $x += 1 or > $x = $x + 1 (except for arrays, currently) > > So: > > ++false becomes int(1), --false becomes int(-1) > ++true becomes int(2), --true becomes int(0) > ++null becomes int(1), --null becomes int(-1) > ++"123a" becomes "123b" but with a notice that string increment is > deprecated > [Robert Stoll] +1 Awesome, that's exactly what I would expect (except the last line but I never do such things anyway)