Go\Aop\Pointcut\PointcutGrammar::getNodeToStringConverter PHP Method

    private function getNodeToStringConverter()
    {
        return function () {
            $value = '';
            foreach (func_get_args() as $node) {
                if (is_scalar($node)) {
                    $value .= $node;
                } else {
                    $value .= $node->getValue();
                }
            }
            return $value;
        };
    }