Respond to a file that has been moved.
$file: The updated file object after the move.
$source: The original file object before the move.
Note: this list is generated by pattern matching, so it may include some functions that are not actually implementations of this hook.
function hook_file_move($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,
)));
}
}