Re: [PHP-DEV] Warn when declaring required parameter after optional one

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February 6, 2020 11:40 nikita.ppv@gmail.com (Nikita Popov)
On Wed, Feb 5, 2020 at 1:15 PM Guilliam Xavier xavier@gmail.com>
wrote:

> Hi, > > On Wednesday, February 5, 2020, Nikita Popov ppv@gmail.com> wrote: >> >> >> I like this idea and have updated the pull request to ignore the "Type >> $param = null" case, so the deprecation should now just catch the >> "definitely" incorrect signatures. >> >> So to summarize the current state: >> >> function test($foo = "bar", $baz) {} >> // Deprecated: Required parameter $baz follows optional parameter $foo >> >> function test(Abc $foo = null, $baz) {} >> // No warnings, works fine! >> >> With that adjustment made, are there any further concerns about this >> change? > > > Can you please just clarify which of the following will emit a deprecation? > > function f1($a = null, $b) {} > function f2(A $a = null, $b) {} > function f3(?A $a = null, $b) {} > > (I think f1 will, f2 won't, but f3? >
f1 will, f2 won't, f3 also won't. f3 could technically emit one, but I'm not sure it's worth having a special case of a special case for this. Nikita