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Fix array_key_exists() with all int literal keys #5197

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merged 1 commit into from
Feb 12, 2021
Merged

Fix array_key_exists() with all int literal keys #5197

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2 changes: 1 addition & 1 deletion src/Psalm/Internal/Analyzer/Statements/Expression/AssertionFinder.php
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Original file line number Diff line number Diff line change
Expand Up @@ -3770,7 +3770,7 @@ private static function getArrayKeyExistsAssertions(
}
} elseif ($key_type->allIntLiterals() && !$key_type->possibly_undefined) {
foreach ($key_type->getLiteralInts() as $array_literal_type) {
$literal_assertions[] = '=' . $array_literal_type->getAssertionString();
$literal_assertions[] = '~' . $array_literal_type->getAssertionString();
}
}
}
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28 changes: 28 additions & 0 deletions tests/TypeReconciliation/ArrayKeyExistsTest.php
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Expand Up @@ -327,6 +327,34 @@ function checkArrayKeyExistsInt(array $arr, int $int): int
return 1;
}'
],
'comparesStringAndAllIntKeysCorrectly' => [
'<?php
/**
* @param array<1|2|3, string> $arr
* @return bool
*/
function checkArrayKeyExistsComparison(array $arr, string $key): bool
{
if (array_key_exists($key, $arr)) {
return true;
}
return false;
}'
],
'comparesStringAndAllIntKeysCorrectlyNegated' => [
'<?php
/**
* @param array<1|2|3, string> $arr
* @return bool
*/
function checkArrayKeyExistsComparisonNegated(array $arr, string $key): bool
{
if (!array_key_exists($key, $arr)) {
return false;
}
return true;
}'
],
];
}

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