function downgrade_tab()
{
if (!$this->current_user_can_downgrade()) {
$this->print_message('error', __('You do not have sufficient permissions to downgrade plugins on this site.', 'seo-ultimate'));
return;
}
$radiobuttons = $this->get_version_radiobuttons(SU_DOWNGRADE_LIMIT, SU_VERSION, 5);
if (is_array($radiobuttons)) {
if (count($radiobuttons) > 1) {
$this->print_message('warning', suwp::add_backup_url(__('Downgrading is provided as a convenience only and is not officially supported. Although unlikely, you may lose data in the downgrading process. It is your responsibility to backup your database before proceeding.', 'seo-ultimate')));
echo "\n<p>";
_e('From the list below, select the version to which you would like to downgrade. Then click the “Downgrade” button at the bottom of the screen.', 'seo-ultimate');
echo "</p>\n";
echo "<div class='su-xgrade'>\n";
$this->admin_form_start();
$this->radiobuttons('version', $radiobuttons);
$this->admin_form_end(__('Downgrade', 'seo-ultimate'));
echo "</div>\n";
} else {
$this->print_message('warning', sprintf(__('Downgrading to versions earlier than %s is not supported because doing so will result the loss of some or all of your SEO Ultimate settings.', 'seo-ultimate'), SU_DOWNGRADE_LIMIT));
}
} else {
$this->print_message('error', __('There was an error retrieving the list of available versions. Please try again later.', 'seo-ultimate'));
}
}
