Re: Re: Support negative indexes for arrays and strings

Am Sonntag, 2. September 2012 um 02:43 schrieb slevy1@pipeline.com: > The idea was originally proposed by Marc Easen who created a patch and asked for help with > putting together an RFC. I have yet to see a formal proposal but on the list Easen modified his idea > so that it should apply to strings alone. With that in mind, would it really cause problems to have > code like this: > > $string = "Roses are red"; > $string[-3] = "R"; // modifying $string[10] > echo $string; // Roses are Red > > The negative indexing provides a pleasurable way to easily access part of a string; it's > simple and should be fast, too. > > I think Easen's proposal is laudatory and I for one would like to see it happen for PHP > and provide users with more ease and satisfaction in working with the language. > > SL Hi, as I understood, a lot of people seem to have problems with this proposal, since arrays and strings could (and maybe should) behave the same. The main problem arises from the ambiguity for $array[-1] for arrays. But this is easily solvable: just introduce a slice operator. $array[:-1] and the ambiguity is gone. -- Cheers Jannik Zschiesche