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Original file line number Diff line number Diff line change
@@ -0,0 +1,13 @@
<?php

$x = 0;
2 * $x += 42 and true;

?>
-----
<?php

$x = 0;
2 * ($x += 42) && true;

?>
Original file line number Diff line number Diff line change
@@ -0,0 +1,13 @@
<?php

$s = 0;
2 * ($s += 42) and true;

?>
-----
<?php

$s = 0;
2 * ($s += 42) && true;

?>
Original file line number Diff line number Diff line change
@@ -0,0 +1,13 @@
<?php

$t = 0;
(int) $t = 42 and true;

?>
-----
<?php

$t = 0;
(int) ($t = 42) && true;

?>
Original file line number Diff line number Diff line change
@@ -0,0 +1,13 @@
<?php

$z = 0;
-$z += 42 and true;

?>
-----
<?php

$z = 0;
-($z += 42) && true;

?>
Original file line number Diff line number Diff line change
@@ -0,0 +1,13 @@
<?php

$y = 0;
!$y = 42 and true;

?>
-----
<?php

$y = 0;
!($y = 42) && true;

?>
34 changes: 34 additions & 0 deletions rules/CodeQuality/Rector/LogicalAnd/LogicalToBooleanRector.php
Original file line number Diff line number Diff line change
Expand Up @@ -5,11 +5,22 @@
namespace Rector\CodeQuality\Rector\LogicalAnd;

use PhpParser\Node;
use PhpParser\Node\Expr;
use PhpParser\Node\Expr\Assign;
use PhpParser\Node\Expr\AssignOp;
use PhpParser\Node\Expr\AssignRef;
use PhpParser\Node\Expr\BinaryOp;
use PhpParser\Node\Expr\BinaryOp\BooleanAnd;
use PhpParser\Node\Expr\BinaryOp\BooleanOr;
use PhpParser\Node\Expr\BinaryOp\LogicalAnd;
use PhpParser\Node\Expr\BinaryOp\LogicalOr;
use PhpParser\Node\Expr\BitwiseNot;
use PhpParser\Node\Expr\BooleanNot;
use PhpParser\Node\Expr\Cast;
use PhpParser\Node\Expr\ErrorSuppress;
use PhpParser\Node\Expr\UnaryMinus;
use PhpParser\Node\Expr\UnaryPlus;
use Rector\NodeTypeResolver\Node\AttributeKey;
use Rector\Rector\AbstractRector;
use Symplify\RuleDocGenerator\ValueObject\CodeSample\CodeSample;
use Symplify\RuleDocGenerator\ValueObject\RuleDefinition;
Expand Down Expand Up @@ -74,10 +85,33 @@ private function refactorLogicalToBoolean(LogicalOr|LogicalAnd $node): BooleanAn
$node->right = $this->refactorLogicalToBoolean($node->right);
}

// "and"/"or" bind looser than "="/"+="; once they become "&&"/"||" the assignment must be
// re-printed so the pretty-printer re-adds the parentheses that keep the original semantics
$this->reprintNestedAssign($node->left);
$this->reprintNestedAssign($node->right);

if ($node instanceof LogicalOr) {
return new BooleanOr($node->left, $node->right);
}

return new BooleanAnd($node->left, $node->right);
}

private function reprintNestedAssign(Expr $expr): void
{
if ($expr instanceof Assign || $expr instanceof AssignOp || $expr instanceof AssignRef) {
$expr->setAttribute(AttributeKey::ORIGINAL_NODE, null);
return;
}

if ($expr instanceof BooleanNot || $expr instanceof BitwiseNot || $expr instanceof UnaryMinus || $expr instanceof UnaryPlus || $expr instanceof ErrorSuppress || $expr instanceof Cast) {
$this->reprintNestedAssign($expr->expr);
return;
}

if ($expr instanceof BinaryOp) {
$this->reprintNestedAssign($expr->left);
$this->reprintNestedAssign($expr->right);
}
}
}
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