}
function is_valid_meta_key($key) {
- // skip _wp_attached_file metadata since we'll regenerate it from scratch
- if ( $key == '_wp_attached_file' )
+ // skip attachment metadata since we'll regenerate it from scratch
+ if ( $key == '_wp_attached_file' || $key == '_wp_attachment_metadata' )
return false;
return $key;
}