Re: [RFC] Change the precedence of the concatenation operator

Am Mo., 29. Apr. 2019 um 09:03 Uhr schrieb Bob Weinand <bobwei9@hotmail.com>: > > > Am 25.04.2019 um 11:52 schrieb Nikita Popov > <nikita.ppv@gmail.com<mailto:nikita.ppv@gmail.com>>: > > On Thu, Mar 28, 2019 at 2:33 PM Bob Weinand > <bobwei9@hotmail.com<mailto:bobwei9@hotmail.com>> wrote: > Hey, > > I feel like concatenation having the same precedence than addition and subtraction is promoting > programmers to make mistakes. Albeit typically easy to catch ones, it is a quality of life change at > least. > > Hence I'm proposing a RFC changing the precedences: > https://wiki.php.net/rfc/concatenation_precedence > > Bob > > Similarly to the ternary associativity RFC, I've analyzed the top 2000 composer packages > and checked whether they would be affected by this change: > https://gist.github.com/nikic/a4df3e8e18c7955c2c21cf6cdb4cbfaa > > The tl;dr is that there were 5 instances where behavior would change per this RFC, and all 5 of > them are bugs in current code and would be interpreted correctly after this RFC. > > Nikita > > Thanks for the analysis, > > Given the confirmation that the impact is minimal (rather beneficial), I'll add this to > the RFC and start voting tomorrow. > > Bob Maybe we should have a longer timeframe and deprecate in 8.0 and change precedence in 9.0, similar to how it might be done with ?: changing to non-assoc in 8.0 and maybe right-assoc in 9.0 or 10.0? Should we have a secondary vote for that? Regards, Niklas