Re: foreach() for strings

On Mon, 20 Jun 2011, Robert Eisele wrote: > 2011/6/20 Derick Rethans <derick@php.net> > > > On Mon, 20 Jun 2011, Robert Eisele wrote: > > > > > foreach() has many functions, looping over arrays, objects and > > > implementing the iterator interface. I think it's also quite > > > intuitive to use foreach() for strings, too. > > > > > If you want to implement a parser in PHP, you have to go the way > > > with for + strlen + substr() or $x[$i] to address one character of > > > the string. > > > > Yes, this sounds like a good addition to me. One question though, > > what to do with an object that implements __toString() ? > > > > That's the question, maybe one must force __toString() via an explicit > string-cast: > > foreach( (string) $obj as $k=>$v) That's a sensible thing indeed. We just need to make sure we document this with an example and a test then. cheers, Derick -- http://derickrethans.nl | http://xdebug.org Like Xdebug? Consider a donation: http://xdebug.org/donate.php twitter: @derickr and @xdebug