> I think that `#[` has its own issues, but am open to re-voting on it.
> For example, the following snippet would get parsed differently in PHP 7.4 and PHP 8.0, given a hypothetical JIT annotation for Opcache.
> With <>, it would give people a clear indication that the file required PHP 8.0,
> but a one-line annotation might be silently treated differently in many subtle ways in 7.4.
> It's probably possible to amend the parser make it an error to put the function declaration on the same line or to have other `#` comments
> within a multi-line #[ annotation,
> but I really dislike the special casing it would add.
This is pretty much the reason why I didn't go for '#[' as my first
choice: the false sense of backwards compatibility that can be easily
(and inadvertently) defeated with multiline attributes or inline
Since '@@' is causing such unrest, I'd be happy to revisit my choice and
embrace '#[', which was the second option in my vote.
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