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@schlndh schlndh commented Oct 11, 2024

Fixes: https://3v4l.org/QKHrt (https://phpstan.org/r/357b09e6-80b7-4c50-97db-35995ff4cb67)

Unfortunately, since it depends on values of multiple variables at the same time (which may be correlated), there will be false positives like this:

if (rand()) {
	$a = [1];
	$b = [2];
} else {
	$a = [1, 2];
	$b = [3, 4];
}

array_map(null, $a, $b);

But I guess it's better to be safe than sorry. I at least added support for array_map(null, $a, $a).

public function getTypeFromFunctionCall(FunctionReflection $functionReflection, FuncCall $functionCall, Scope $scope): ?Type
{
if (count($functionCall->getArgs()) < 2) {
$numArgs = count($functionCall->getArgs());
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By the way, i see multiple call function $functionCall->getArgs(). Can refactor?

@ondrejmirtes ondrejmirtes merged commit d0e7aca into phpstan:1.12.x Nov 12, 2024
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Thank you.

@schlndh schlndh deleted the fix-arrayMapZip branch November 12, 2024 16:54
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3 participants