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:

 {
      public function run(int|string|float $firstValue, int|string|float $secondValue)
      {
-         return $firstValue == $secondValue;
+         return $firstValue === $secondValue;
      }
      
      public function rector(int|string|float $firstValue, int|string|float $secondValue)

PHP snippet to change

<?php

final class DemoFile
{
     public function run(int|string|float $firstValue, int|string|float $secondValue)
     {
         return $firstValue == $secondValue;
     }
     
     public function rector(int|string|float $firstValue, int|string|float $secondValue)
     {
         return $firstValue === $secondValue;
     }
}

$demo = new DemoFile();
var_dump($demo->run('0', 0) === $demo->rector('0', 0));

Applied Rules:

UseIdenticalOverEqualWithSameTypeRector

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\CodeQuality\Rector\Equal\UseIdenticalOverEqualWithSameTypeRector;
use Rector\Config\RectorConfig;

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

Rector version: 6d8bee - released at 2026-05-04 23:43