phpVersion(PhpVersion::PHP_70); $rectorConfig->rule(DowngradeNullableTypeDeclarationRector::class); $rectorConfig->rule(DowngradeVoidTypeDeclarationRector::class); $rectorConfig->rule(DowngradeClassConstantVisibilityRector::class); $rectorConfig->rule(DowngradePipeToMultiCatchExceptionRector::class); $rectorConfig->rule(SymmetricArrayDestructuringToListRector::class); $rectorConfig->rule(DowngradeNegativeStringOffsetToStrlenRector::class); $rectorConfig->rule(DowngradeKeysInListRector::class); $rectorConfig->rule(DowngradeIterablePseudoTypeDeclarationRector::class); $rectorConfig->rule(DowngradeIsIterableRector::class); $rectorConfig->rule(DowngradeClosureFromCallableRector::class); $rectorConfig->rule(DowngradePhp71JsonConstRector::class); };