RE: [PHP-DEV] Only variables can be passed by reference

From: Andrea Faulds [mailto:ajf@ajf.me], Thursday, December 04, 2014 9:33 AM > >> On 4 Dec 2014, at 08:28, Yasuo Ohgaki <yohgaki@ohgaki.net> wrote: >> >> Hi all, >> >> I think we can get rid of this error now when literal is returned. >> The reason we have E_STRICT error is that legacy PHP didn't >> support this, I suppose. >> >> http://3v4l.org/8fISj > > Hmm, I think there’s some logic to having a warning anyway. > If a parameter is taken by reference, then it’s > presumably > going to be modified. So if you pass something that isn’t > a variable (and therefore the modified result can’t be > accessed) to a by-reference parameter, it doesn’t really > make sense. > -- > Andrea Faulds > http://ajf.me/ > I like Yasuo's proposal, because the developer who's passing a non-variable by reference knows that the change will be lost. But this could be desired as Yasuo's example shows. I wished many times that this would be possible...