On Wed, May 8, 2019 at 11:16 PM Craig Duncan <p...@duncanc.co.uk> wrote:

> Hi everyone,
>
> I've just opened a pull request for some changes to *extract()* handling of
> *$this*
> https://github.com/php/php-src/pull/4133
>
> I had a look through the original RFC discussion, and it looks like
> extract() was brought up and then quickly handled, but it seems like the
> handling was a bit over the top.
> https://externals.io/message/93457
>
> As reported in the below bug, extract() throws an exception when the
> documentation suggests that it should be able to handle the scenario
> (either by ignoring the request to overwrite *$this* or by creating a
> prefixed version of it).
> https://bugs.php.net/bug.php?id=77135
>
> The only one I'm unsure of is the *IF_EXISTS* flags, as *$this* isn't in
> the symbol table it's ignored even though technical *$this* does exist. But
> as this is the current behaviour and doesn't cause an issue I thought for
> BC it would be best to leave this behaviour alone.
>
> Does anybody disagree with this change? Does it need an RFC?
>

These changes sound reasonable to me. I don't think it needs an RFC -- this
is more of a bug fix.

Nikita

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