| 1 system.api.php | hook_file_delete(File $file) | 
Respond to file deletion.
This hook is invoked after the file has been removed from the filesystem and after its records have been removed from the database.
Parameters
File $file: The file that has just been deleted.
See also
FileStorageController::delete()
Related topics
File
- core/modules/ system/ system.api.php, line 2456 
- Hooks provided by Backdrop core and the System module.
Code
function hook_file_delete(File $file) {
  // Delete all information associated with the file.
  db_delete('upload')->condition('fid', $file->fid)->execute();
}
