rector/vendor/rector/rector-php-parser/docs/rector_rules_overview.md

1 Rules Overview

ParserFactoryRector

Upgrade ParserFactory create() method

• class: Rector\PhpParser\Rector\MethodCall\ParserFactoryRector

 use PhpParser\ParserFactory;

 $factory = new ParserFactory;

-$parser = $factory->create(ParserFactory::PREFER_PHP7);
+$parser = $factory->createForNewestSupportedVersion();