code: public function copy($originUrl, $fileUrl, $fileName, $progress = true, $options = array())
      {
          return $this->get($originUrl, $fileUrl, $options, $fileName, $progress);
      }
docs: Copy the remote file in local.
  
  @param string $originUrl The origin URL
  @param string $fileUrl   The file URL
  @param string $fileName  the local filename
  @param bool   $progress  Display the progression
  @param array  $options   Additional context options
  
  @return bool true