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:

     {
         try {
             $database = new PDO('mysql:host=localhost;dbname=demo', 'demo', 'demo');
-        } catch (PDOException $pdo_exception) {
-            echo $pdo_exception->getMessage();
+        } catch (PDOException $pdoException) {
+            echo $pdoException->getMessage();
         }
     }
 }

PHP snippet to change

<?php

use PDO;
use PDOException;

final class DemoFile
{
    public function run(): void
    {
        try {
            $database = new PDO('mysql:host=localhost;dbname=demo', 'demo', 'demo');
        } catch (PDOException $pdo_exception) {
            echo $pdo_exception->getMessage();
        }
    }
}

Applied Rules:

CatchExceptionNameMatchingTypeRector

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\CodingStyle\Rector\Catch_\CatchExceptionNameMatchingTypeRector;

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

Rector version: 3be6fd - released at 2025-05-08 22:18