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Detailed return type for strtoupper #6104

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merged 2 commits into from
Jul 15, 2021
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Detailed return type for strtoupper #6104

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2671ea7
Detailed return type for `strtoupper`
staabm Jul 15, 2021
e037c44
Utilize non-falsy-string
staabm Jul 15, 2021
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6 changes: 6 additions & 0 deletions stubs/CoreGenericFunctions.phpstub
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Original file line number Diff line number Diff line change
Expand Up @@ -515,6 +515,12 @@ function strtolower(string $str) : string {}
/**
* @psalm-pure
*
* @return (
* $str is non-falsy-string
* ? non-falsy-string
* : ($str is non-empty-string ? non-empty-string : string)
* )
*
* @psalm-flow ($str) -> return
*/
function strtoupper(string $str) : string {}
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