1 file.file.inc file_file_update($file)

Implements hook_file_update().

File

core/modules/file/file.file.inc, line 60
File hooks implemented by the Fil module.

Code

function file_file_update($file) {
  // Ensure field data is saved since file_save() does not in Drupal 7.
  field_attach_update('file', $file);

  // Save file metadata.
  db_delete('file_metadata')->condition('fid', $file->fid)->execute();
  if (!empty($file->metadata)) {
    $query = db_insert('file_metadata')->fields(array('fid', 'name', 'value'));
    foreach ($file->metadata as $name => $value) {
      $query->values(array(
        'fid' => $file->fid,
        'name' => $name,
        'value' => serialize($value),
      ));
    }
    $query->execute();
  }

  if (module_exists('image') && file_get_mimetype_type($file) == 'image' && $file->filesize && isset($file->original)) {
    if (!isset($file->metadata)) {
      $file->metadata = array();
    }

    if (!isset($file->original->metadata)) {
      if (!is_object($file->original)) {
        $file->original = new stdClass();
      }
      $file->original->metadata = array();
    }

    // If the file has changed dimensions or a new file has been uploaded,
    // update any image field reference to this file and flush image style
    // derivatives.
    $file->metadata += array('width' => NULL, 'height' => NULL);
    $file->original->metadata += array('width' => NULL, 'height' => NULL);
    if ($file->filesize != $file->original->filesize || $file->metadata['width'] != $file->original->metadata['width'] || $file->metadata['height'] != $file->original->metadata['height']) {
      _file_update_image_field_dimensions($file);
    }

    // Flush image style derivatives whenever an image is updated.
    image_path_flush($file->uri);
  }

  // Clear any related field caches.
  file_invalidate_field_caches($file);
}