PHPCfg\Parser::__construct PHP Method

    public function __construct(AstParser $astParser, AstTraverser $astTraverser = null)
    {
        $this->astParser = $astParser;
        if (!$astTraverser) {
            $astTraverser = new AstTraverser();
        }
        $this->astTraverser = $astTraverser;
        $this->astTraverser->addVisitor(new AstVisitor\NameResolver());
        $this->astTraverser->addVisitor(new AstVisitor\LoopResolver());
        $this->astTraverser->addVisitor(new AstVisitor\MagicStringResolver());
    }