On Jul 23, 2014, at 11:37, Andrea Faulds <a...@ajf.me> wrote:
> Aliases mean inconsistency. We shouldn’t unnecessarily have multiple names
> for the same thing, just one. Also, for every alias we support, another
> reserved word is added. Hence we only allow one set of names. This is also
> Facebook’s approach with Hack, which removes the aliases entirely for type
> casting. I might propose we deprecate/remove the aliases in a future RFC.
I agree the aliases, by definition, represent inconsistency. However, that
inconsistency is already in the language, and those keywords already exist. By
not supporting the aliases in new functionality that’s so closely related, the
inconsistency is itself inconsistent.
Although I don’t have voting rights, I would completely support a separate RFC
to remove the aliases in PHP 6/7. But in the mean time, as long as they’re
still in the language, I think they need to be fully supported anywhere their
“real” counterparts can be used. Hack didn’t just remove them in some cases, it
removed them across the board. And I think that’s the right approach: they’re
supported across the board until they’re no longer supported, and then they’re
not supported anywhere.
> So, yes it does permit non-decimal numbers, but it’s a bug I need to fix.
I’m not sure I follow. If I have function foo(int $bar) {}, what happens in
these cases:
foo(0x2f);
foo(‘0x2f’);
Related, is “numeric" basically the union of “int” and “float” (as appears to
be the case from the chart in the RFC), or is it something more along the lines
of is_numeric()? There could be consistency issues lurking here, too.
Regards,
Bob
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