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[DeadCode] Handle multiply to parenthesized on RemoveDeadZeroAndOneOperationRector #7882

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Merged
TomasVotruba merged 2 commits into from
Feb 5, 2026
+41 −0
Merged

[DeadCode] Handle multiply to parenthesized on RemoveDeadZeroAndOneOperationRector #7882

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a13dbf4
[DeadCode] Handle multiply to parenthesized on RemoveDeadZeroAndOneOp…
samsonasik Feb 5, 2026
6bc315f
fix
samsonasik Feb 5, 2026
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27 changes: 27 additions & 0 deletions ...DeadCode/Rector/Plus/RemoveDeadZeroAndOneOperationRector/Fixture/with_parentheses.php.inc
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Original file line number Diff line number Diff line change
@@ -0,0 +1,27 @@
<?php

namespace Rector\Tests\DeadCode\Rector\Plus\RemoveDeadZeroAndOneOperationRector\Fixture;

class WithParentheses
{
public function run()
{
$a = 1 * (2 + 3) * 4;
}
}

?>
-----
<?php

namespace Rector\Tests\DeadCode\Rector\Plus\RemoveDeadZeroAndOneOperationRector\Fixture;

class WithParentheses
{
public function run()
{
$a = (2 + 3) * 4;
}
}

?>
14 changes: 14 additions & 0 deletions rules/DeadCode/Rector/Plus/RemoveDeadZeroAndOneOperationRector.php
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Expand Up @@ -18,8 +18,10 @@
use PhpParser\Node\Expr\BinaryOp\Plus;
use PhpParser\Node\Expr\ClassConstFetch;
use PhpParser\Node\Expr\UnaryMinus;
use Rector\NodeTypeResolver\Node\AttributeKey;
use Rector\PhpParser\Node\Value\ValueResolver;
use Rector\Rector\AbstractRector;
use Rector\ValueObject\Application\File;
use Symplify\RuleDocGenerator\ValueObject\CodeSample\CodeSample;
use Symplify\RuleDocGenerator\ValueObject\RuleDefinition;

Expand Down Expand Up @@ -172,6 +174,14 @@ private function processBinaryPlusAndMinus(Plus | Minus $binaryOp): ?Expr
return $binaryOp->left;
}

private function isMulParenthesized(File $file, Mul $mul): bool
{
$oldTokens = $file->getOldTokens();
$endTokenPost = $mul->getEndTokenPos();

return isset($oldTokens[$endTokenPost]) && (string) $oldTokens[$endTokenPost] === ')';
}

private function processBinaryMulAndDiv(Mul | Div $binaryOp): ?Expr
{
if ($binaryOp->left instanceof ClassConstFetch || $binaryOp->right instanceof ClassConstFetch) {
Expand All @@ -186,6 +196,10 @@ private function processBinaryMulAndDiv(Mul | Div $binaryOp): ?Expr
$binaryOp->left,
1
) && $this->nodeTypeResolver->isNumberType($binaryOp->right)) {
if ($this->isMulParenthesized($this->file, $binaryOp)) {
$binaryOp->right->setAttribute(AttributeKey::WRAPPED_IN_PARENTHESES, true);
}

return $binaryOp->right;
}

Expand Down