Fix handling of str_split / mb_str_split string arg compound types + default return type for mb_str_split#1496
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ondrejmirtes merged 2 commits intophpstan:1.8.xfrom Jul 10, 2022
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FYI, |
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oh good to know and it least it's consistent then. I'd adapt that in a follow-up if that's ok :) UPDATE: after your linked PR gets merged of course |
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Thank you! |
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Closes phpstan/phpstan#7580
There were 2 issues basically which is why I split this into 2 commits
str_split/mb_str_splitdid not handle compound types for the string type correctly (e.g. union of constant strings)mb_str_splitcan actually return an empty array. This was adapted in mb_str_split() / str_split() always returnsnon-empty-array#633 which is based on a psalm adaption, but psalm actually reverted it back in Revert mb_str_split return signature to list<string> vimeo/psalm#6493 becausestr_splitandmb_str_splitdiffer in behaviour there. See also https://3v4l.org/r6sMeStrSplitFunctionReturnTypeExtensioncould need a bit more cleanup, but I wanted to avoid rewriting it here.. Maybe I'll adapt some more in follow-ups.