original_string: public function openDownloadStreamByName($filename, array $options = [])
      {
          $options += ['revision' => -1];
  
          $file = $this->collectionWrapper->findFileByFilenameAndRevision($filename, $options['revision']);
  
          if ($file === null) {
              throw FileNotFoundException::byFilenameAndRevision($filename, $options['revision'], $this->getFilesNamespace());
          }
  
          return $this->openDownloadStreamByFile($file);
      }
code: public function openDownloadStreamByName($filename, array $options = [])
      {
          $options += ['revision' => -1];
  
          $file = $this->collectionWrapper->findFileByFilenameAndRevision($filename, $options['revision']);
  
          if ($file === null) {
              throw FileNotFoundException::byFilenameAndRevision($filename, $options['revision'], $this->getFilesNamespace());
          }
  
          return $this->openDownloadStreamByFile($file);
      }
code_tokens: public function openDownloadStreamByName ( $ filename , array $ options = [ ] ) { $ options += [ 'revision' => - 1 ] ; $ file = $ this -> collectionWrapper -> findFileByFilenameAndRevision ( $ filename , $ options [ 'revision' ] ) ; if ( $ file === null ) { throw FileNotFoundException :: byFilenameAndRevision ( $ filename , $ options [ 'revision' ] , $ this -> getFilesNamespace ( ) ) ; } return $ this -> openDownloadStreamByFile ( $ file ) ; }
docstring: Opens a readable stream stream to read a GridFS file, which is selected
  by name and revision.
  
  Supported options:
  
  * revision (integer): Which revision (i.e. documents with the same
  filename and different uploadDate) of the file to retrieve. Defaults
  to -1 (i.e. the most recent revision).
  
  Revision numbers are defined as follows:
  
  * 0 = the original stored file
  * 1 = the first revision
  * 2 = the second revision
  * etc…
  * -2 = the second most recent revision
  * -1 = the most recent revision
  
  @param string $filename Filename
  @param array  $options  Download options
  @return resource
  @throws FileNotFoundException if no file could be selected
  @throws DriverRuntimeException for other driver errors (e.g. connection errors)
docstring_tokens: Opens a readable stream stream to read a GridFS file which is selected by name and revision .