code: private function convertCode($phpCode, ClassCollector $classCollector, Logger $logger, $fileName = null, array $classes = array())
      {
          $converted = $this->converter->nodeToZephir($phpCode, $classCollector, $logger, $fileName, $classes);
  
          return array(
              'zephir' => $converted['code'],
              'php' => $phpCode,
              'namespace' => $converted['namespace'],
              'destination' => str_replace('\\', '/', $converted['namespace']).'/',
              'additionalClass' => $converted['additionalClass'],
          );
      }
docs: @param string $phpCode
  
  @return string