More precise implode() return type#3774
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ondrejmirtes merged 4 commits intophpstan:1.12.xfrom Mar 9, 2025
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//cc @VincentLanglet since its string accessory business :) |
staabm
commented
Jan 6, 2025
| } | ||
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| $accessoryTypes = []; | ||
| $valueTypeAsString = $arrayType->getIterableValueType()->toString(); |
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the actual change is here: we use toString as the implode function internally casts everything.
that way the string types detection also works for unions of strings and non-strings (e.g. 2|'a') and so we get more precise results
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mvorisek
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Jan 7, 2025
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staabm
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Feb 15, 2025
| /** @param array{0: 1, 1: 'a'|'b', 3?: 'c'|'d', 4?: 'e'|'f', 5?: 'g'|'h', 6?: 'x'|'y'} $constArr */ | ||
| public function constArrays6($constArr) { | ||
| assertType("string", implode('', $constArr)); | ||
| assertType("literal-string&lowercase-string&non-falsy-string", implode('', $constArr)); |
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Memo to me: Literal string is wrong here
staabm
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Feb 22, 2025
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| if (str_contains($i, 0)) { | ||
| assertType('int', $i); | ||
| } | ||
| if (str_contains($s, 0)) { | ||
| assertType('non-empty-string', $s); | ||
| } | ||
| if (str_contains($s, 1)) { | ||
| assertType('non-falsy-string', $s); | ||
| } |
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these cases depends on strict-types.. are we still fine with it?
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Thank you! |
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