code: private function createProcessForFile($path)
      {
          // in case php://stdin
          if (!is_file($path)) {
              return $this->createProcessForSource(FileReader::createSingleton()->read($path));
          }
  
          $process = $this->processBuilder->build($path);
          $process->setTimeout(10);
          $process->start();
  
          return $process;
      }
docs: @param string $path path to file
  
  @return Process