Re: Explicit constructor call and polymorphic dispatch

2017-01-14 19:24 GMT+01:00 Fleshgrinder <php@fleshgrinder.com>: > On 1/14/2017 7:10 PM, Michał Brzuchalski wrote: > > AFAIK parent is a speciual scope which help refers to variables and > > functions in base classe > > http://php.net/manual/kr/keyword.parent.php > > So it looks like proposing your syntax could lead to huge BC break. > > In other languages (eg. Java) there is special syntax quite similar with > > super($a, $b) call. > > > > super **is** Java’s parent > keyword. > > There is definitely no breaking change here by enabling > parent() as an > alternative to parent::__construct() since it has no > functionality at > all right now. As a matter of fact, PHP currently aborts with a fatal > error: > > ``` > Fatal error: Call to undefined function parent() in > ``` > > Reversing keywords in the global scope is done regularly in PHP minor > versions, hence, that would not be a problem either. > > I see only one single problem, users might expect that parent() > actually should call parent::__invoke(). However, that is not > the case > right now and nobody ever asked for it plus it is a little used feature > anyways which does not require special treatment (imho). > > There might be different parent scope calls not only to magic method but also all base class methods. > Regarding the fatal error on a missing constructor implementation in the > parent. I fully agree that this should be possible. > > -- > Richard "Fleshgrinder" Fussenegger > -- regards / pozdrawiam, -- Michał Brzuchalski about.me/brzuchal brzuchalski.com