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

Rector run Failed:

{ "totals": { "changed_files": 0, "errors": 1 }, "errors": [ { "message": "System error: \"Division by zero\"\nRun Rector with \"--debug\" option and post the report here: https://github.com/rectorphp/rector/issues/new", "file": "/var/www/storage/demo/4jvkeb16l6c6pie4q2kg/rector_analyzed_file.php", "line": 185 } ] }

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

PHP snippet to change

<?php

function test($mode)
{ 
      $x = 1 / 0;
}

Config rector.php

<?php

use Rector\Config\RectorConfig;

return RectorConfig::configure()
    ->withRules([
        \Rector\CodeQuality\Rector\Foreach_\ForeachItemsAssignToEmptyArrayToAssignRector::class
    ]);

Rector version: d04dcf - released at 2025-09-04 16:01