/**
* Will be called before an instance of this block is backed up, so that any links in
* any links in any HTML fields on config can be encoded.
* @return string
*/
function get_backup_encoded_config()
{
/// Prevent clone for non configured block instance. Delegate to parent as fallback.
if (empty($this->config)) {
return parent::get_backup_encoded_config();
}
$data = clone $this->config;
$data->text = backup_encode_absolute_links($data->text);
return base64_encode(serialize($data));
}