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:

// no change

PHP snippet to change

<?php

final class Mage
{
    public static function getStoreConfig(string $path)
    {
    }
}

class ClassNew
{
    public const PATH = 'path';
}

class ClassOld
{
    public const PATH = 'path';
}

class Other
{
    public static function test()
    {
        Mage::getStoreConfig(\ClassOld::PATH);
    }
}

Config rector.php

<?php

use Rector\Config\RectorConfig;

use Rector\Arguments\Rector\ClassMethod\ReplaceArgumentDefaultValueRector;
use Rector\Arguments\ValueObject\ReplaceArgumentDefaultValue;

return RectorConfig::configure()
    ->withConfiguredRule(ReplaceArgumentDefaultValueRector::class, [new ReplaceArgumentDefaultValue(Mage::class, 'getStoreConfig', 0, 'ClassOld::PATH', 'ClassNew::PATH')]);

Rector version: 2d8958 - released at 2026-03-28 17:45