function hook_file_move

Respond to a file that has been moved.

Parameters

File $file: The updated file entity after the move.

File $source: The original file entity before the move.

See also

file_move()

Related topics

File

modules/system/system.api.php, line 2292

Hooks provided by Backdrop core and the System module.

Code

function hook_file_move(File $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('Moved file %source has been renamed to %destination', array('%source' => $source->filename, '%destination' => $file->filename)));
  }
}