rector/config/set/downgrade-php55.php

<?php

declare (strict_types=1);
namespace RectorPrefix20220608;

use Rector\Config\RectorConfig;
use Rector\Core\ValueObject\PhpVersion;
use Rector\DowngradePhp55\Rector\ClassConstFetch\DowngradeClassConstantToStringRector;
use Rector\DowngradePhp55\Rector\Foreach_\DowngradeForeachListRector;
use Rector\DowngradePhp55\Rector\FuncCall\DowngradeBoolvalRector;
use Rector\DowngradePhp55\Rector\Isset_\DowngradeArbitraryExpressionArgsToEmptyAndIssetRector;
return static function (RectorConfig $rectorConfig) : void {
    $rectorConfig->phpVersion(PhpVersion::PHP_54);
    $rectorConfig->rule(DowngradeClassConstantToStringRector::class);
    $rectorConfig->rule(DowngradeForeachListRector::class);
    $rectorConfig->rule(DowngradeBoolvalRector::class);
    $rectorConfig->rule(DowngradeArbitraryExpressionArgsToEmptyAndIssetRector::class);
};