Re: [PROPOSAL] Alphanumeric decrement

On Tue, Dec 17, 2013 at 2:26 AM, Rowan Collins <rowan.collins@gmail.com>wrote: > Tjerk Meesters wrote (on 13/12/2013): > >> Basically it makes the $x++ or >> ++$x work as if you types $x += 1 or >> $x = $x + 1 (except for arrays, currently) >> ++null becomes int(1), --null becomes int(-1) >> > > Yes please! One of my colleagues once raised a bug that currently > incrementing null results in 1, but decrementing it results in it remaining > null. On the other hand, null -= 1 results in -1 as you would > expect. > > The bug was closed as invalid, stating that this is documented behaviour, > but I have never understood why this would be anything other than an > accidental side effect of implementation, nor why you would ever rely on it. > > > ++"123a" becomes "123b" but with a notice that string increment is >> deprecated >> > > Lukewarm on this part; the current syntax seems fairly logical to me, and > the proposed new functions more ugly for no very good reason. > I would love to completely eradicate it, but I also realize that there's existing code using it, such as: for ($class = 'A1'; $class <= 'A4'; ++$class); It might be hard to find the places where such code is being used, so I figured it made sense to have a deprecation period instead. > > Regards, > -- > Rowan Collins > [IMSoP] > > > -- > PHP Internals - PHP Runtime Development Mailing List > To unsubscribe, visit: http://www.php.net/unsub.php > > -- -- Tjerk