I think its a bug in the Hoa AST, which we walk here:
https://github.com/phpstan/phpstan-src/blob/d842380a1f07014d045dd42d6ccd4204a85e688a/src/Type/Php/RegexArrayShapeMatcher.php#L204-L235

@mvorisek could you have a look at the grammar etc?

If this is not solved, I'm going to turn the flag off even in bleeding edge. We'll be able to work on it but it's going to be turned off for everyone.

Another similar example: https://phpstan.org/r/c0953da3-d155-48d5-9055-81ca382d2de5

Here is the repro simplified: https://phpstan.org/r/77292b7b-6515-4437-b482-0ca7b8281c9e

I do not think this is an issue in the hoa regex grammar.

thanks.

I will have another deeper look then.

support would still be welcome :)

edit: fixes in phpstan/phpstan-src#3184

This is much better than before! I have two bugs/improvements:

• https://phpstan.org/r/1fdd7f36-d5cc-43fe-bd1b-a7c90c6426c2
• https://phpstan.org/r/fac92fd0-b78e-4e36-9089-ec8f7ece17c6

@staabm This example doesn't work: https://phpstan.org/r/1fdd7f36-d5cc-43fe-bd1b-a7c90c6426c2

Also: https://phpstan.org/r/2ee33aa1-a639-4e03-a0c2-20905f9843b0

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