protected function updateFile(FileInterface $file, $resource, $mimetype = NULL) {
    $uri = $file->getFileUri();

    $destination = fopen($uri, 'wb');
    if (!$destination) {
      throw new HttpException(500, "File $uri could not be opened to write.");
    }

    $content_length = stream_copy_to_stream($resource, $destination);

    fclose($destination);

    if ($content_length === FALSE) {
      throw new HttpException(500, "Request body could not be copied to $uri");
    }

    if ($content_length === 0) {
      // Clean up the newly created, empty file.
      unlink($uri);
      throw new HttpException(400, "No bytes were copied to $uri");
    }

    if (!empty($mimetype)) {
      $file->setMimeType($mimetype);
    }

    // Flush the image cache for the image so thumbnails get regenerated.
    image_path_flush($uri);
  }
protected function updateFile(FileInterface $file, $resource, $mimetype = NULL) {
    $uri = $file->getFileUri();

    $destination = fopen($uri, 'wb');
    if (!$destination) {
      throw new HttpException(500, "File $uri could not be opened to write.");
    }

    $content_length = stream_copy_to_stream($resource, $destination);

    fclose($destination);

    if ($content_length === FALSE) {
      throw new HttpException(500, "Request body could not be copied to $uri");
    }

    if ($content_length === 0) {
      // Clean up the newly created, empty file.
      unlink($uri);
      throw new HttpException(400, "No bytes were copied to $uri");
    }

    if (!empty($mimetype)) {
      $file->setMimeType($mimetype);
    }

    // Flush the image cache for the image so thumbnails get regenerated.
    image_path_flush($uri);
  }
protected function updateFile ( FileInterface $ file , $ resource , $ mimetype = NULL ) { $ uri = $ file -> getFileUri ( ) ; $ destination = fopen ( $ uri , 'wb' ) ; if ( ! $ destination ) { throw new HttpException ( 500 , "File $uri could not be opened to write." ) ; } $ content_length = stream_copy_to_stream ( $ resource , $ destination ) ; fclose ( $ destination ) ; if ( $ content_length === FALSE ) { throw new HttpException ( 500 , "Request body could not be copied to $uri" ) ; } if ( $ content_length === 0 ) { // Clean up the newly created, empty file. unlink ( $ uri ) ; throw new HttpException ( 400 , "No bytes were copied to $uri" ) ; } if ( ! empty ( $ mimetype ) ) { $ file -> setMimeType ( $ mimetype ) ; } // Flush the image cache for the image so thumbnails get regenerated. image_path_flush ( $ uri ) ; }
Updates a File's binary contents on disk.

@param \Drupal\file\FileInterface $file
File to update.
@param resource $resource
Stream holding the new contents.
@param string $mimetype
Mimetype of new contents.
Updates a File s binary contents on disk .