function hook_file_copy

Respond to a file that has been copied.

Parameters

Drupal\file\File $file: The newly copied file entity.

Drupal\file\File $source: The original file before the copy.

See also

file_copy()

File

drupal/core/modules/file/file.api.php, line 136

Hooks for file module.

Code

function hook_file_copy(Drupal\file\File $file, Drupal\file\File $source) {
  $file_user = user_load($file->uid);

  // Make sure that the file name starts with the owner's user name.
  if (strpos($file->filename, $file_user->name) !== 0) {
    $file->filename = $file_user->name . '_' . $file->filename;
    $file
      ->save();
    watchdog('file', t('Copied file %source has been renamed to %destination', array(
      '%source' => $source->filename,
      '%destination' => $file->filename,
    )));
  }
}