Try Rector Online | Rector - Automated Way to Instantly Upgrade and Refactor any PHP code

Run Rector on your code to see what it can do for you:

 <?php
 
-(true xor true) or true; # -> true
-true xor true or true;   # -> true
+(true xor true) || true; # -> true
+(true xor true) || true;   # -> true
 
-true or (true xor true); # -> true
-true or true xor true;   # -> true
+true || (true xor true); # -> true
+true || (true xor true);   # -> true
 
 unset($x);
-true and ($x ?? 42); # -> true
-true and $x ?? 42;   # -> true
+true && ($x ?? 42); # -> true
+true && ($x ?? 42);   # -> true
 
 $x = 42;
-($x ?? 0) and true; # -> true
-$x ?? 0 and true;   # -> true
+($x ?? 0) && true; # -> true
+($x ?? 0) && true;   # -> true

PHP snippet to change

<?php

(true xor true) or true; # -> true
true xor true or true;   # -> true

true or (true xor true); # -> true
true or true xor true;   # -> true

unset($x);
true and ($x ?? 42); # -> true
true and $x ?? 42;   # -> true

$x = 42;
($x ?? 0) and true; # -> true
$x ?? 0 and true;   # -> true

Applied Rules:

LogicalToBooleanRector

Not a change you expect?

Create an issue on GitHub
...or to speed up fix – add a test fixture

Config rector.php

<?php

use Rector\Config\RectorConfig;
use Rector\CodeQuality\Rector\LogicalAnd\LogicalToBooleanRector;

return RectorConfig::configure()
    ->withRules([LogicalToBooleanRector::class]);

Rector version: 2.5.4 - released at 2026-07-05 23:08